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Index

Linear Algebra

Calculus

Differential equations

Complex variables

Probability and Statistics

Network Elements

Network Solution Methods

Sinusoidal Steady-State Snalysis

Network Theorems

Transient Response of DC and AC Networks

Two Port Networks

Three Phase Circuits

Electromagnetic Fields

Classification of Signals

Classification of Systems

Periodicity of a Discrete Time Signal

Stability and Causality

Convolution

Fourier Series Representation of a Signal

Fourier Transform

Correlation

Sampling Theorem

Laplace Transform

Z-Transform

Electromechanical Energy Conversion

DC Machines

Single Phase Transformer

Three Phase Transformer

Induction Machines

Synchronous Machines

Overhead and Underground Transmission Systems

Transmission Line Prameters(Inductance and Capacitance)

Models and Performance of Transmission Lines

Insulators

Corona Loss and Interference

Cables

Travelling Waves

Concept of Grounding

Per Unit System

Symmetrical Components and Sequence Networks

Fault Analysis (Symmetrical and Unsymmetrical)

Load Flow Study

Power Factor Improvement

Power Generation

Basics of Control Sytems(Transfer Functions and Block Diagram)

Time Response Analysis

Stability Analysis

Root Locus Technique

Bode Plot

Polar Plot

Nyquist Plot

State Space Analysis

Compensator and Controller

Electrical and Electronic Measurements

Diode Circuits

Half Wave and Full Wave Rectifier

Zener Diode

Clipper and Clamper

Bipolar Junction Transistor(BJT)

BJT as an Amplifier

Field Effect Transistor

MOSFET

Operational Amplifier(Op-Amp) as Voltage Regulator and Filter

Oscillators

Data Converters(ADC and DAC)

Switching Devices -Diode

Switching Devices -SCR

Single Phase Half Wave Uncontrolled Rectifier

Single Phase Half Wave Controlled Rectifier

Inverters

DC-DC Converters(Choppers)

AC Voltage Controller

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Linear Algebra

Basics of Matrices-1

Basics of Matrices-2

Determinant & Inverse of Matrix-1

Determinant & Inverse of Matrix-2

Rank of Matrix

Consistency-Inconsistency-1

Consistency-Inconsistency-2

Eigen Values & Eigen Vectors-1

Eigen Values & Eigen Vectors-2

Cayley-Hamilton Theorem

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Calculus

Function

Domain; Co-domain and Range

Composite function and Type of Functions

Concept of Limit

Finding the limit

GATE Engineering Maths: Calculus 07: GATE Previous year Question_01

GATE Engineering Maths: Calculus 08: GATE Previous year Question_02

GATE Engineering Maths: Calculus 09: GATE Previous year Question_03

GATE Engineering Maths: Calculus 10: GATE Previous year Question_04

Continuity Definition

Differentiation Definition

Continuity Based GATE Previous year Question - 1

Continuity Based GATE Previous year Question - 2

Differential equations

Order & Degree

Formation Of D.E

Reducible To Variable Separable Form

Homogeneous Differential Equation

Non- Homogeneous Diff. Equation

Linear Differential Equation

Linear Diff. Eqn GATE Problems

Bernoulli's Equation

Bernoulli's Equation GATE Problems

Exact Equation

Exact Equation GATE Problem

Non-Exact Equation (Part 1)

Non Exact (Part-2)

Non-Exact Equation (Part 3)

Non-Exact Equation (Part 4)

Complementary Function

Complementary Function GATE Problems

Roots Of Higher Order D.E

Particular Integral (Part1)

Particular Integral (Part2)

Particular Integral GATE Problems

Cauchy's Equation

Cauchy's Equation GATE Problems

Complex variables

Complex Number Part 1

Complex Number Part 2

Harmonic Function

Analytical Function Part 1

Analytical Function Part 2

Analytical Function(Part 3)

Analytical Function(part 4)

Singular Points

Cauchy's Integral Theoram

Cauchy's Integral Formula

Cauchy's Integral GATE Problems

Residue

Residue GATE Problem 1

Residue GATE Problem 2

Mixed GATE Problems

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Probability and Statistics

Measure of Central Tendency

Arithmetic Mean Given Frequency Values

Arithmetic Mean Given Intervals

Failure of Arithmetic Mean as Central Tendency

Properties of Arithmetic Mean

Arithmetic Mean Examples

Symmetric and Asymmetric Distribution

Median

Median for Frequency Distribution

Median Frequency Distribution Examples

Mode as Central Tendency

Mode for Frequency Distributions

Geometric Mean Given Frequencies

Harmonic Mean as Central Tendency

Harmonic Mean Given Frequency Distribution

Quartiles and Its Uses

Quartiles Given Frequency Distributions

Measure of Dispersion Data Analytics Example

Range and Quartile Deviation

Mean; Standard Deviation and Variance

Standard Deviation Examples

Probability Biased and Unbiased

Random Experiment Sample Space and Event

Probability Examples Coin and Dice

Probability Examples on Cards

Mutually Exclusive and Complement Events

Axioms of Probability

Probability Examples on Union

Probability Examples on Combinations

Dependent and Independent Events in Probability

Conditional Probability with Example

Conditional Probability Data Analysis Example

Probability Examples 1

Multiplication Rule of Probability

Probability Examples 2

Probability Examples 3

Probability Examples 4

Total Probability or Rule of Elimination

Bayes Theorem with Data Analysis Example

Bayes Theorem and Total Probability

Probability Examples on Bayes Theorem

Random Variable and Probability Distribution

Discrete Random Variable and Probability Mass Function

Discrete Probability Function or Not Examples

Cumulative Distribution Function With Example

Expected Value or Mean of Probability Distribution

Probability Distribution Expected Value Examples

Variance Standard Deviation of Discrete Probability Distribution

Variance and Game Favorable Example on Probability Distribution

Bernoulli Distribution with Example

Understanding Binomial Distribution with Example

Binomial Distribution Real Life Examples

Binomial Distribution Data Analysis Example

Understanding Poisson Distribution with Example

Proof Binomial to Poisson Distribution

Why Poisson Distribution is Limiting Case of Binomial

Mean and Variance of Binomial Distribution

Mean and Variance of Poisson Distribution

Poisson Distribution Real Life Examples

Understanding Continuous Probability Distribution

Probability Density Function or not Example

Probability Density Functions Examples

Understanding Normal or Gaussian Distribution

Understanding PDF of Normal Distribution

Properties of Normal Distribution

Standard Normal Distribution and Probability Table

Finding Probabilities Standard Normal Table

Standardizing Normal Random Variable

Normal Distribution Real Life Examples

Network Elements

Introduction of Network theory

Introduction of Network Theory

Lec 02 SI unit Network Theory

Charges and Current

Voltage; Power and Energy

Resistor Part 1

Resistor Part 2

Basic Concepts of Inductor and Inductance

Capacitor and Capacitance

Lec 09 Types of Elements

Network Solution Methods

Lec 10 Types of Sources

Lec 11 Kirchoff's Current Law

Important Question on KCL

Important KCL Questions

Lec 13 Correction Video

Lec 14 Kirchoff's Voltage Law

Important Questions on KVL

Lec 16 Questions on KVL; KCL and Ohm's Law Part 1

Lec 17 Questions on KVL; KCL and Ohm's Law Part 2

Lec 18 Equivalent Circuit wrt Sources

Lec 19 Questions on Equivalent Circuit wrt Sources

Lec 20 Questions on Equivalent Circuit wrt Resistance

Infinite Ladder Problem

Lec 22 Equivalent R;L;C Problems

Lec 23 Equivalent Capacitance Problem

Lec 24 Star and Delta Conversion

Lec 25 Star and Delta Problems

Lec 26 Current Division Rule

Lec 27 Voltage Division Rule

Introduction of Nodal Analysis

Lec 29 Question Discussion on Nodal Analysis Part 1

Lec 30 Question Discussion on Nodal Analysis Part 2

Lec 31 Mesh Analysis

Lec 32 Mesh Analysis Problems

Lec 33 Source Transformation

Lec 34 Power and Energy

Lec 35 Energy Problem Part-1

Sinusoidal Steady-State Snalysis

Lec 36 Energy Problem Part 2

Lec 37 Singularity Function

Steady State Analysis

Leading and Lagging Concept

Sinusoid and Basic Trigonometric Function

Average Value

RMS Value or Effective Value

Introduction of Phasors

Phasor Relation of Circuit Elements

Phasor Relation of Capacitor

Form Factor; Peak Factor and R-L Series Circuit

R-C Series Circuit

Parallel RLC circuit

Questions on RLC Network

Concept of Power and Energy

Question Discussion Ac Analysis Part-1

Question Discussion on AC Analysis Part-2

Questions on Power and Power Factor

Resonance

Lec 55 Series Resonance

Relation between Quality Factor; Resonant Frequency and Band Width

Network Theorems

Relation between Quality factor and Damping Factor

Parallel Resonance and Question Discussion

Network Theorems

Questions on Superposition Theorem Part-1

Questions on Superposition Theorem Part-2

Questions on Superposition Theorem Part-3

Exceptions in Superposition Theorem

Thevenin's Theorem

Questions on Thevinin and Norton Theorem

Thevenin's Theorem Questions Part-2

Thevenin's Theorem Questions Part-3

Thevenin's Theorem Questions Part-4

Maximum Power Transfer Theorem

Questions Discussion on MPT Part-1

MPT Questions Part-2

Transient Response of DC and AC Networks

Reciprocity Theorem

Milliman's & Tellegen's Theorem

Transient Analysis

Behaviour of R L C at t=0+

Behaviour of R;L;C at t=infinite

Model 1 & 2 of Transient Analysis

Model 3 & 4 of Transient Analysis

Summary & Problems

Question Discussion on TA Part-1

Question Discussion on TA Part-2

Question Discussion on TA Part-3

Question Discussion on TA Part-4

Question Discussion on TA Part-5

Question Discussion Special Cases

Two Port Networks

Laplace For Transient

GATE Question on Transient with Laplace

Two Port Network

Z-Parameter Part-1

Z-Parameter Part-2

Y-Parameter with Questions

ABCD Parameters

Hybrid Parameter

Inverse H Parameter

Interconnection of Two Port Network

Important Question Discussion Part-1

Important Question Discussion Part-2

Magnetic Coupled Circuits

Dot Convention

Linear Transformer

Ideal Transformer

Three Phase Circuits

Question Discussion on Ideal Transformer

Duality

Introduction to 3 Phase System

Generation of 3 Phase

Star and Delta Connection

Balanced and Unbalanced Load

Question Discussion on 3 Phase Part-1

Question Discussion 3 Phase Part-2

Introduction to Passive Filter

All Band Pass Filters with Questions

Introduction to Graph Theory

Electromagnetic Fields

Introduction to EMF

EMF02 Rectangular Coordinate System

EMF03 Dot Product or Scalar product

EMF04 Vector Product or Cross product

EMF05 Cylindrical Coordinate System

EMF06 Numerical on Cylindrical Coordinate System

EMF07 Spherical Coordinate System

EMF08 Numerical on Spherical Coordinate System

EMF09 Conversion between Coordinate Systems

Line Integration of a Vector

Surface Integral of a Vector

Volume Integration

EMF13 Curvilinear Coordinate System

EMF14 Del Operator

EMF15 Gradient of a Scalar

EMF16 Divergence of a Vector

EMF17 Curl of a Vector

EMF18 Curl of Gradient and divergence of Curl

Introduction to Electrostatics

EMF20 Coulombs Law

Electric Field Intensity

Electric Field Intensity due to Surface Charge

Numerical on Electric Field Intensity

EMF24 Electric Flux Density and Electric Flux

EMF25 Gauss Law

EMF26 Numerical on Gauss Law

Gaussian Surface; Calculation of Field Intensity using Gauss Law

EMF28 Divergence Theorem

EMF29 Work and Energy

EMF30 Potential Difference

EMF31 Equipotential Surface

EMF32 Potential Gradient

EMF33 Electric Dipole

Energy Stored in Electrostatic Field

EMF35 Current & Current Density

EMF36 Conductors

Good Conductors in Static Electric Field

EMF38 Dielectric Materials

EMF39 Dielectric Boundary Conditions

EMF40 Capacitor

EMF41 Combination of Capacitors

EMF42 Types of Capacitors

EMF43 Capacitance of 2 wire Transmission Line

EMF44 Poisson's & Laplace's Equations

EMF45 Biot Savart Law

EMF46 Stoke's Theorem

EMF47 Ampere’s Circuital Law

Magnetic Field Intensity due to Long Co axial Transmission Line

EMF49 Magnetic Flux Density

EMF50 Scalar Magnetic Potential

EMF51 Vector Magnetic Potential

EMF52 Force Due to Magnetic Fields

EMF53 Force Between Current carrying Conductors

EMF54 Force & Torque on a Closed Circuit

EMF55 Atomic Magnetic Moment

EMF56 Magnetic Susceptibility & Relative Permeability

EMF57 Classification of Magnetic Materials

EMF58 Magnetic Boundary Conditions

Inductance of Solenoid

Inductance of a Coaxial Cable

Inductance of 2 Wire Transmission Line

Mutual Inductance

Inductors in Series & Parallel

Energy Stored in Magnetic Field & Energy Density

Introduction to Time Varying Fields

Faraday’s Laws of Electromagnetic Induction

EMF67 Numerical on Faraday’s Laws

EMF68 Derivation of Maxwell's Equations

How Does the Current Flow in Capacitor

EMF70 Boundary Conditions

Classification of Signals

Signals & Systems - Introduction

Signals & Systems - Important Point About Signals

Signals & Systems -Types of Signals

Signals & Systems - Unit Step Signals

Signals & Systems - Impulse Function

Signals & Systems - Signum Function

Signals & Systems - Exponential Signal

Signals & Systems - Unit Ramp Signal

Signals & Systems - Unit Parabolic Signal

Signals & Systems - Unit Rectangle Pulse

Rectangular Function Problem Example

Signals & Systems - Triangular Signal

Signals & Systems - Triangular Signal Example

Signals & Systems - Sinusoidal Signal

Signals & Systems - Since & Sampling Function

Signals & Systems - Operations on Signals

Operations on Amplitude of Signals

Operations on Time of Signals

Signals & Systems - Classification of Signals

Continuous Time & Discrete Time Signals

Deterministic & Non-deterministic Signals

Signals & Systems - Even & Odd Signals

Signals & Systems - Even & Odd Components

Even & Odd Components of a Signal Example 1

Even & Odd Components of a Signal Example 2

Signals & Systems - Periodic & Aperiodic Signals

Signals & Systems - Checking of Periodicity

Energy Signals & Power Signals

Energy & Power of a Signal Example

Energy & Power of Unit Step Signals

Energy & Power of Exponential Signal with Negative Power

Energy of a Signal Example

Calculating Energy of Triangular Signal

Energy & Power of Exponential Signal With Positive Power

Energy & Power of a Signals Example

Energy & Power Of Ramp Signals

Real & Imaginary Signals

Classification of Systems

Signals & Systems - Classification of a Systems

Signals & Systems - Linear & None-linear System

Signals & Systems - Time Variant & Time Invariant

Linear Time Variant & Linear Time Invariant Systems

Signals & Systems - Static & Dynamic System

Causal & Non Causal Systems

Signals & Systems - Invertible & None Invertible

Signals & Systems - Stable & Unstable System

Impulse Response & Transfer Function of a System

Ramp Signal Problem Example

Energy & power of Discrete Signal

Energy & Power Signals Problem Example

Estimating Energy & Power of Discrete Signal

Periodicity of a Discrete Time Signal

Checking of Periodicity of a Discrete Signal

Periodicity of Discrete Time Signal

Periodicity Discrete Unit Step Signal

Impulse Function Problem Example

Stability and Causality

Check for Stability of Signals

Causality Problem Example

Stability & Causality Problem Example

Impulse Function Example

Convolution

Signals and Systems - Convolution

Method to Calculate Continuous Convolution

Convoluted Signal Limits

Convolution by Image Method

Properties of Convolution

Distributive Property Problem Example

Convolution Problem Example 1

Properties of Convolution Problem Example

Other Properties of Convolution

Area of Convoluted Signal

Scaling in Convolution

Ramp in Convolution Problem Example

Convolution of Unit Step with Ramp using Differentiation Property

Convolution Problem Example 2

Discrete Signal Problem Example

Method to Find Discrete Convolution

Sum by Column Method to Calculate Discrete Convolution

Periodic or Circular Convolution

Matrix Method to Calculate Circular Convolution

Signals and Systems - Deconvolution

Division Method for Deconvolution

Fourier Series Representation of a Signal

Fourier Series Representation of Signal

Deriving Fourier Series

Properties of Fourier Series

Symmetry Properties

Spectral Properties of Periodic Power Signal

Dirichlet’s Conditions

Trigonometric Fourier Series

Exponential Fourier Series

Relation Between Trigonometric & Exponential Fourier Series

Fourier Coefficient of Impulse Train Problem Example

GATE Shortcut to Predict Nature of Fourier Coefficient

Fourier Series Coefficient Problem Example

Polar Form

Fourier Series Representation Using Symmetry of Signal

Fourier Series Representation Using Symmetry Problem

Discrete Time Fourier Series Problem Example

GATE Shortcuts to Calculate Trigonometric Fourier Series & Power

DC Component

Amplitude of Fundamental Components

DC Components of Signal Problem Example

Fourier Transform

Introduction to Fourier Transform

Deriving Fourier Transform From Fourier Series

Fourier Transform of GATE Function

Fourier Transform of Impulse

Fourier Transform of DC Signal

Fourier Transform of Cosine Wave

Fourier Transform of Unit Step Function

Fourier Transform - Linearity Property

Fourier Transform - Time Shifting Property

Fourier Transform - Frequency Shifting Property

Time Differentiation & Integration Property

Fourier Transform - Duality & Similarity Property

Fourier Transform - Time Scaling Property

Multiplication & Convolution Property

Fourier Transform of Shifted Unit Step

Fourier Transform of two-Sided Exponential

Inverse Fourier Transform Problem Example

Standard Fourier Transform Pairs

Inverse Fourier Transform Problem Example 2

Inverse Fourier Transform Problem Example 3

Fourier Transform GATE Problem Example

Distortion Less Transmission of the System

Hilber Transform

Correlation

Introduction to Correlation

Auto Correlation Function of Energy Signal

Auto Correlation Function of Energy Signal Property 1

Auto Correlation Function of Energy Signal Property 2

Auto Correlation Function of Energy Signal Property 3

Auto Correlation Function of Energy Signal Property 4

Auto Correlation Function of Power Signals & Properties

Relation Between Input Energy Spectral Density & Output Energy Spectral Density

Auto Correlation Function of Energy Signal Problem

Auto Correlation Function of Power Signal Problem

Cross Correlation Function

Properties of Cross Correlation Function

Cross Correlation Function of Power Signal & it’s Properties

Relation Between Power Spectral Density Problem

Parseval’s Energy Theory Problem Example

Energy Spectral Density Calculation

Energy of a Time Scaled Signal

Sampling Theorem

Sampling Theorem

Sampling Theorem Proof

Cutoff Frequency of Filter

Cutoff Frequency of Filter Problem Example 1

Cutoff Frequency of Filter Problem Example 2

Sampling Frequency Problem Example 1

Sampling Frequency Problem Example 2

Sampling Frequency Problem Example 3

Calculating Sampling Frequency Problem Example

Way to Find Nyquist Sampling

Frequency Components at the Output of LPF

Laplace Transform

Laplace Transform

Relation Between Laplace & Fourier Transform

Inverse Laplace Transform

Conditions for Existence of Laplace Transform

List of Properties in Laplace Transform

Linearity Property in Laplace Transform

Time Shifting Property in Laplace Transform

Frequency Shifting Property in Laplace Transform

Time Reversal Property in Laplace Transform

Time Scaling Property Laplace Transform

Differentiation & Integration Property

Multiplication & Convolution Properties of Laplace Transform

Initial Value Theorem

Final Value Theorem

Region of Convergence in Laplace Transform & It's Properties

Laplace Transform of Right Side Decaying Exponential

Laplace Transform of Left Side Decaying Exponential

Laplace Transform & Region of Convergence of Raising Exponential

Region of Convergence Problem Example

Laplace Transform & Region of Convergence Problem Example 1

Laplace Transform & Region of Convergence Problem Example 2

Laplace Transform of DC Signal

Laplace Transform of Signum Function

Unilateral Laplace Transform

Time Shifting Property in Laplace Transform Problem

Some Standard Signals & Their Laplace Transform & ROC

Time Shifting Property Problem Example

Inverse Laplace Transform Using Time Shifting Property Problem

Frequency Shifting Property Problem Example

Inverse Laplace Transform Problem Example 1

Inverse Laplace Transform Problem Example 2

Inverse Laplace Transform Problem Example 3

Transform Function by Using Inverse Laplace Transform Problem

Transform Function in Laplace Transform Problem Example

Differential Equation Solving Using Laplace Transform

Unilateral Laplace Transform of Left Shifted Impulse

Find Value Theorem Problem Example

Causality & Stability

Causality & Stability Problem Example

Laplace Transform of Ramp Problem Example

Laplace Transform of Shifted Ramp

Convolution Property Problem Example

Final value of Theorem Problem Example 1

Final value of Theorem Problem Example 2

Z-Transform

Introduction to Z-Transform

Z-Transfer & Inverse Z-Transfer

Z-Transform Problem Example 1

Z-Transform Problem Example 2

Inverse Z-Transform Problem Example

Z-Transform of Basic Signal Problem Example 1

Z-Transform of Basic Signal Problem Example 2

Z-Transform of Basic Signal Problem Example 3

Z-Transform of Unit Step Function

Z-Transform of Impulse Function

Z-Transform of COS Signal Type-1

Z-Transform of COS Signal Type-2

Z-Transform GATE Problem Example 1

Z-Transform GATE Problem Example 2

Z-Transform GATE Problem Example 3

Initial & Final Value Theorems in Z-Transform

Basic Z-Transform Pairs

Region of Convergence of Z-Transform

Linearity Property of Z-Transform

Time Shifting Property of Z-Transform

Time Reversal Property of Z Transform

Scaling Property of Z-Transform

Differentiation in Z-Domain Property of Z-Transform

Differentiation in Z-Domain Property Problem Example 1

Differentiation in Z-Domain Property Problem Example 2

Inverse Z-Transform Problem Example 2

Multiplication & Convolution Property of Z-Transform

Convolution Property of Z-Transform Problem Example

Initial Value Theorem Problem Example

System Function & Impulse Response Problem Example

Unilateral Z-Transform

Causality & Stability According to ROC of Z-Transform

Important ROCs Related to Impulse Function

Z-Transform Problem Example

Region of Convergence Problem Example

Stable but not Casual Problem Example

System to be Causal & Stable Problem Example

Long Division Method to Calculate Inverse Z-Transform

Direct Computation Method to Calculate Inverse Z-Transform

Residue Theorem to Calculate Inverse Z-Transform

ROC of a Discrete Time Sequence in Z-Transform

Linear Discrete Time System of Z-Transform Problem Example

Final Value Theorem Problem Example

Response of the System Problem Example

Region of Convergence GATE Problem

Electromechanical Energy Conversion

Introduction to Electrical Machines

Electro-Mechanical Energy & Magnetic Fields

Analysis & Important Terms of Magnetism

Magnetic-Electric Circuit Analogy

Series & Parallel Magnetic Circuits

Leakage Flux & Fringing Effect

Magnetic B-H Curve & Hysteresis

Hysteresis Loss & its Importance

Faraday's Laws of ElectroMagnetic Induction

Lenz's Law and Right Hand Thumb Rule

Statically & Dynamically Induced EMF

Self & Mutual Inductance

Inductances in Series & Parallel

AC Excitation in Magnetic Circuits

Eddy Current Loss

Electro-Mechanical Energy Conversion Device

Torque Development by Alignment of two Fields

Production of Torque

Induced EMF in Rotating Coil

DC Machines

Overview

Working Principle & EMF Equation

Constructional Features

Function of Commutator

Armature Windings & Types

Lap & Wave Winding

Types of DC Machines

DC Generator Characteristics

Armature Reaction & Compensating Winding

Losses & Efficiency

Speed; Torque & Power

DC Motor Characteristics

Speed Control of DC Motors

Single Phase Transformer

Introduction and Construction

Core; Winding; and Cooling Construction.

Ideal Transformer & EMF Equation

Losses & its Equivalent Circuit Representation

Voltage Drop & Equivalent Circuit

OC - SC Tests & Volatge Regulation

Efficiency; All-Day Efficiency & Auto-Transformer

Per-Unit System and Parallel Operation

Three Phase Transformer

Construction; Advantages & Limitation

Winding Connections & Groups

Selection of Winding Connection

Scott-Connections

Induction Machines

Construction and Principle

Rotating Magnetic Field

Rotor Quantities

Starting; Running and Max Torque

Torque-Slip Characteristics

Starting; Max and F.L. Torque

Torque-Speed Characteristics

Power Stages

Equivalent Circuit

Condition for Max. Power Output

Starting Methods and Testing

Synchronous Machines

Introduction & Fundamentals

Constructional Features

Excitation Systems

Principle of Operation

Hunting & Damper Winding

Armature Windings

Equation of Induced EMF

Voltage Drop; Armature Reaction & Syn Impedance

Methods of Voltage Regulation Determination

Salient Pole Operation & Two-Reaction Theory

Characteristics & principle of Operation

Methods of Starting

Load with Constant & Different Excitations

Increased Load With Constant Excitation

Changing Excitations on Constant Load

Power Developed and flow in a Synchronous Motor

Effect of Excitation on Current & PF

Synchronous Condenser

Applications

Merits; Demerits & comparison With IM

Overhead and Underground Transmission Systems

Introduction to Transmission Systems

PS02 Comparison of Different Overhead Transmission Systems

PS03 Comparison of Cost of Conductor for Underground Systems

PS04 Comparison Between Overhead and Underground Systems

PS05 HVDC Transmission: Need; Advantages & Dis advantages

PS06 Choice of Working Voltage for Transmission

PS07 Structure of Typical Transmission System

PS08 Kelvins Law to Calculate Economic Size of Conductor

Transmission Line Prameters(Inductance and Capacitance)

Inductance of 1 Phase 2 wire Transmission Line

Inductance of Composite Conductor Lines

Inductance of 3 Phase Transmission Lines

Inductance of 3 Phase Double Circuit Line with Symmetrical spacing

Inductance of 3 Phase Double Circuit with Unsymmetrical Spacing

PS15 Bundled Conductors

PS16 Capacitance of 1 Phase Transmission Line

Potential Difference Between 2 Conductors in a Group of Conductors

PS18 Capacitance of 3 Phase Transmission Line

PS19 Capacitance of Bundled Conductor Transmission Line

PS20 Capacitance of 3 Phase Double Circuit Line

PS21 Effect of Earth on Capacitance of Transmission Line

Models and Performance of Transmission Lines

PS22 Performance of Transmision Lines

PS23 Short Transmission Lines

PS24 Medium Transmission Lines

PS25 Numerical on Medium Transmission Lines

PS26 Long Transmission Lines

PS27 Numerical on Long Transmission Lines

PS28 Equivalent Pi and T Circuits of Long Transmission Line

Surge Impedance Loading of Transmission Lines

Analysis of Surge Impedance Loading

PS31 Wavelength & Velocity of Wave propagation

PS32 Ferranti Effect

PS33 Power Flow Through Transmission Line

PS34 Receiving End Power Circle Diagram

PS35 Numerical on Receiving End Power Circle Diagram

PS36 Sending End Power Circle Diagram

PS37 Numerical on Power Circle Diagram

Insulators

Types of Insulators

PS39 String Efficiency

Methods of Improving String Efficiency

PS41 Numerical on String Efficiency

Corona Loss and Interference

PS42 Concept of Corona

PS43 Critical Disruptive voltage

PS44 Corona Loss

PS45 Factors Affecting Corona Loss

Interference Between Power & Communication Lines 01

Interference Between Power & Communication Lines 02

Cables

Introduction to Underground cables

Insulation Resistance & Capacitance of Single Core Cable

Dielectric Stress in Single Core Cable

PS51 Capacitance Grading of Cables

Intersheath Grading of Cables

PS53 Capacitance of 3 Core Cables

PS54 Types of Cable Faults

PS55 Murray Loop Test to Detect Location of Cable Faults

PS56 Varley Loop Test to Detect Location of Cable Faults

Dielectric Power Loss in Cables

PS58 Current Rating of Underground Cables

Sheath Losses in Underground Cables

Travelling Waves

PS60 Voltage and Current Equations of Travelling Wave

PS61 Specifications of Travelling Waves

PS62 Reflection of Wave at a Resistive Load

PS63 Equivalent Circuit for Travelling Wave Studies

PS64 Reflection of Wave at Overhead Line Cable Junction

PS65 Wave Reflection at Bifurcated (Forked) Line

Wave Reflection at Terminal Inductance

PS67 Wave Reflection at Terminal Capacitance

PS68 Numerical on Travelling Waves

Concept of Grounding

Isolated or Ungrounded Neutral System

PS72 Concept of Arcing Grounds

PS73 Advantages of Neutral grounding

PS74 Solid Grounding or Effectively Grounded System

PS75 Resistance Grounding

PS76 Reactance Grounding

PS77 Resonant Grounding or Arc Suppression Coil Grounding

PS78 Numerical on Resonant Grounding

PS79 Voltage Transformer Grounding

PS80 Grounding Through an Earthing Transformer

PS81 Neutral Grounding Practice

Per Unit System

Single Line & Impedance Diagram of 3 Phase Networks

PS83 Per Unit System

Per Unit Impedance Diagram

Per Unit Load Impedance Representation

Symmetrical Components and Sequence Networks

PS86 Symmetrical Components

PS87 3 Phase Power Using Symmetrical Components

Sequence Impedances of Transmission Line

PS89 Sequence Networks of Transformers

Sequence Impedances & Networks of Synchronous Machines

PS91 Numerical on Sequence Diagram

Fault Analysis (Symmetrical and Unsymmetrical)

PS92 Single Line to Ground LG Fault

PS93 Line to Line LL Fault

PS94 Double Line to Ground LLG Fault

PS95 Three Phase LLL Fault

Consideration of Pre Fault Load Current in Fault Analysis

PS97 Open Conductor Faults

PS98 Sequence Networks of Earthing transformer

PS99 Sequence Networks of Three Winding Transformers

PS100 Current Limiting Reactors

Short Circuit Transients in Alternator

Load Flow Study

Introduction to Load Flow Studies

PS103 Bus Admittance Matrix

PS104 Node Elimination by Matrix Partitioning

PS105 Effect of Tap Changing Transformer

PS106 Approximate Load Flow Study

Gauss and Gauss-Seidel Methods for Iterative Solution of Nonlinear Equations

PS108 Gauss and Gauss Seidel Methods Without PV Bus

PS109 Gauss Seidel Method With PV Bus

PS110 Newton Raphson Method

PS111 Numerical on Newton Raphson Method

PS112 Fast Decoupled Power Flow Method

Power Factor Improvement

Need For Power Factor Improvement

Power Factor Improvement by Static Capacitors

PS115 Numerical on Static Capacitors

PS117 Most Economical power factor

Meeting Increased KW Demand on Power Stations

Power Generation

PS119 Terms and Definitions related to power generation

Load Curve; Load Duration Curve; Integrated Load Duration Curve; Mass Curve

PS121 Number and Size of Generating Units

PS122 Base Load and Peak Load Power Plants

PS123 Numerical on Load Sharing

PS125 Methods of Determining Depreciation

PS126 Numerical on Methods of Determining Depreciation

PS127 Tariff

Basics of Control Sytems(Transfer Functions and Block Diagram)

Introduction to Control System

Lec 01 Basics of Control System

Lec 02 Transfer Function

Lec 03 Block Diagram & SFG

Lec 04 GATE Problem Solved based on Previous Lecture

Lec 05 GATE Problem Solved based on Previous Lecture

Lec 06 GATE Problem Solved based on Previous Lecture

Lec 07(a) Doubt Solving of all Previous Lecture

Time Response Analysis

Lec 07(b) Mirror Discussion & Time Response Analysis

Lec 08 Time Response of first order system

Lec 09 Time Response of Second Order System

Lec 10 Time Response of Second Order System (Contd.)

Lec 11 Time Response of Second Order System (Contd.)

Lec 12 Time Response of Second Order System (Contd.)

Lec 13 Steady State Error

Lec 14 Steady State Error (Contd.)

Lec 15 GATE Problem on Time Response

Lec 16 Steady State Error (Contd.)

Lec 17 GATE Problem based on Time Response

Stability Analysis

Lec 18 Mirror Discussion & Stability Analysis

Lec 19 Stability Analysis (RH Criteria)

Lec 20 Stability (RH Criteria Contd.)

Lec 21 Stability (RH Criteria Contd)

Lec 23 GATE Problem on Stability Analysis

Lec 24 Relative Stability

Root Locus Technique

Lec 25 Root Locus

Lec 26 Root Locus (Contd.)

Lec 27 Root Locus (Contd.)

Lec 28 Root Locus (Contd)

Lec 29 Problems on Root Locus

Lec 30 Problems on Root Locus

Lec 31 GATE Problems on Root Locus

Bode Plot

Introduction to BODE Plot

Lec 33 Bode Plot (Contd.)

Lec 34 Bode Plot (Contd.)

Lec 35 Bode Plot (Contd.)

Lec 36 Bode Plot (Contd.)

Lec 37 Gain Margin & Phase Margin

Lec 38 Gain Margin & Phase Margin (contd.)

Lec 39 GATE Problems on Bode Plot

Lec 40 GATE Problems on Bode Plot (Contd.)

Lec 41 GATE Problems on Bode Plot (Contd.)

Polar Plot

Lec 42 Polar Plot

Lec 43 Polar Plot (Contd.)

Lec 44 Polar Plot (Contd.)

Lec 45 Polar Plot (Contd.)

Nyquist Plot

Lec 46 Nyquist Plot

Lec 47 Nyquist Plot (Contd.)

Lec 48 Nyquist Plot (Contd.)

Lec 49 GATE Problem on Nyquist Plot

Lec 50 GATE Problem on Nyquist Plot (Contd.)

State Space Analysis

Intro to State Space Analysis

Lec 52 State Space (Contd.)

Lec 53 State Space (Contd.)

Lec 54 State Space Analysis (Contd.)

Lec 55 GATE Problem on State Space

Lec 56 GATE Problem on State Space

Lec 57 GATE Problem on State Space

Compensator and Controller

Lec 58 Compensator & Controller

Lec 59 Compensator & Controller (Contd.)

Lec 60 GATE Problem on Compensator

Lec 61 Compensator & Controller (Contd.)

Lec 62 Compensator & Controller (Contd.)

Lec 63 Dominant Pole Concept

Lec 64 Effect of Pole & Zero on Stability

Lec 65 Complementary Root Locus Concept

Lec 66 Last Mirror Discussion (Motivational)

Electrical and Electronic Measurements

Introduction to Measurements

Different Types of Errors

Performance of an Instrument

Accuracy

Numerical on Accuracy 1

Numerical on Accuracy 2

Numerical on Accuracy 3

Numerical on Accuracy 4

Numerical on Accuracy 5

Numerical on Accuracy 6

Numerical on Accuracy 7

Numerical on Accuracy 8

Course Introduction and Weightage for GATE Exam

Static Characteristics of Measuring Instruments

Numerical on Accuracy

Static Characteristics of Measuring Instruments: Precision; Sensitivity

Numerical on Sensitivity

Classification of Electrical Instruments

Torques in Indicating Instruments

Permanent Magnet Moving Coil Instrument

Numerical 1 on PMMC instrument

Extension of range of PMMC Ammeter

Numerical 1 on Ammeter Shunts

Measurement of DC Power

Measurement of Power in 3 Phase Circuit: Two Wattmeter Method

Numerical on Two Wattmeter Method - Power & Energy

DC and AC Bridges - Measurement of R; L and C

Maxwell Inductance Capacitance Bridge

Hays Bridge - Measurement of R; L and C

Weston Type Frequency Meter - Frequency & Power Factor

Potentiometer or Null Deflector

Numerical 1 on Potentiometer

Instrument Transformers:Ratios of Instrument Transformers

Current Transformer CT Relationships in CT

CRO: Construction & Operation - Cathode Ray Oscilloscope

Ramp Type Digital Voltmeters - Digital Voltmeter & Multimeter

Integrating Type Digital Voltmeters

Previous Year GATE Questions 2

Previous Year GATE Questions 3

Inductance Measurements Maxwell

Q Meter: Construction and Working

Numerical on Q Meter

Diode Circuits

Introduction to Diode: What is Diode? V-I characteristics of the Diode Explained

Semiconductor: What is Intrinsic and Extrinsic Semiconductor? P-Type and n-Type Semiconductor

Forward Bias and Reverse Bias: PN junction Diode Explained

Avalanche Breakdown and Zener Breakdown Effect Explained

Diode Resistance Explained (DC Resistance; AC Resistance and Average AC Resistance Explained)

How to Solve the Diode Circuits (Explained with Examples)

Diode Circuit Solved Problem | Quiz - 54

Diode Circuits Solved Example | Quiz - 244

Diode Solved Problems | Quiz - 110 and Quiz - 114

Diode Circuits Solved Problem | Quiz - 40

Diode Circuit Solved Problem | Quiz - 80

Solved Problems on Diode Circuits | Quiz - 112 and 116

Diode Circuit Solved Example | Quiz - 262

Diode Circuit Solved Problem | Quiz - 264

Diode Circuits Solved Problems | Quiz - 298

Quiz - 188 (Diode Circuit- Analog Electronics / Basic Electronics)

Diode Circuit Solved Problem | Quiz - 392

Solved Problem on Diode Circuit | Quiz - 289

Half Wave and Full Wave Rectifier

Half wave Rectifier Explained

Full wave Rectifier Explained

How to calculate the RMS and Average value of Half wave Rectifier and Full wave rectifier

Calculation of Ripple Factor and Ripple Voltage for Half wave Rectifier and Full wave Rectifier

What is Precision Rectifier? Precision Rectifier Explained

Peak Detector Circuit Explained

Zener Diode

What is Zener Diode? Zener Diode as a Voltage Regulator Explained (with solved Examples)

Solved Problems on the Zener Diode

Half Wave Rectifier Solved Problem | Quiz - 357

Zener Diode as Voltage Regulator | Quiz - 69

Quiz - 165 (Analog Electronics - Zener Diode)

Zener Diode Solved Problem (Analog Electronics) | Quiz - 184

Zener Diode Solved Problem | Quiz - 234

Zener Diode Solved Problem (Zener Diode as Voltage Regulator)| Quiz - 318

Schottky Diode Explained

Light Emitting Diode (LED) Explained (Working; Advantages and Types of LED Explained)

What is Photodiode? How Photodiode Works? Photodiode Explained

Varactor Diode Explained (Working; Specifications and Applications of Varactor Diode)

Clipper and Clamper

Clipper Circuit Explained (with Solved Examples)

Active Clipper Circuit (Clipper Circuit using op-amp) Explained

Clamper Circuit Explained

Active Clamper Circuit (Clamper Circuit using Op-Amp) Explained

Solved Problems on Clipper and Clamper Circuits

Clipper Circuit Solved Example | Quiz - 108

Quiz - 173 (Analog Electronics - Clamper Circuit)

Clamper Circuit Solved Example | Quiz - 241

Clipper Circuit Solved Example | Quiz - 288

Voltage Multiplier Circuit Explained (Voltage Doubler; Voltage Tripler and Quadrupler Circuits)

Bipolar Junction Transistor(BJT)

Introduction to Bipolar Junction Transistor (BJT)

BJT : Common Base Configuration Explained

BJT: Common Emitter Configuration (Input and Output Characteristics) Explained

BJT: Common Collector Configuration (Input and Output Characteristics) Explained

Transistor Biasing: What is Q-point? What is Load Line? Fixed Bias Configuration Explained

Transistor Biasing: Emitter Stabilized Bias and Emitter Bias Configuration Explained

How to identify the Saturation in BJT? What is Hard Saturation? Transistor as a Switch Explained

BJT: Voltage Divider Bias Configuration

BJT (Bipolar Junction Transistor) Solved Problem | Quiz - 449

BJT: Collector Feedback Bias Explained

BJT: Bias Stabilization and Stability Factor for the Fixed Bias Configuration

BJT: Stability Factors S; S' and S'' for Voltage Divider Bias

BJT: Stability Factors S; S' and S'' for Collector Feedback Bias

Astable Multivibrator using BJT Explained

Monostable Multivibrator using BJT Explained

Bistable Multivibrator using BJT Explained

BJT Large Signal Model Explained

BJT - Small Signal Model Explained

BJT- Early Effect (Base Width Modulation) Explained

BJT Small Signal Analysis: Common Emitter Fixed Bias and Voltage Divider Bias

BJT Small Signal Analysis: Common Emitter Amplifier without Bypass Capacitor

BJT- Emitter Follower (Common Collector Amplifier) Explained with Solved Example

BJT- Common Base Amplifier Explained

BJT- Small Signal Analysis: Collector Feedback Configuration (with Solved Example)

BJT- Current Mirror Explained

BJT- Current Mirror Solved Example | Quiz - 252

BJT - Current Mirror Solved Example | Quiz - 254

BJT- Current Mirror | Quiz - 263

BJT- Current Mirror Solved Problem | Quiz - 272

BJT as an Amplifier

BJT- Multistage Amplifier Explained (with Example)

The Darlington Pair as a Switch

Darlington Pair | Quiz - 259

Darlington Pair as an Amplifier

BJT: Differential Amplifier Explained

BJT- Differential Amplifier (Large Signal Analysis)

BJT - Differential Amplifier (Small Signal Analysis - Differential Gain; Common mode Gain and CMRR)

Field Effect Transistor

What is Field Effect Transistor (FET)?

JFET: Construction and Working Explained

JFET Transfer Characteristics Explained

JFET Biasing: Fixed Bias Configuration Explained (with Solved Examples)

JFET: Self Bias Configuration Explained (with Solved Examples)

JFET Solved Problems | Quiz - 82 and Quiz - 85

JFET- Voltage Divider Bias Configuration Explained (with Solved Example)

BJT/ JFET Solved Problem (Analog Electronics) | Quiz - 299

MOSFET

MOSFET- Depletion Type MOSFET Explained (Construction; working and Characteristics Explained)

MOSFET - Enhancement Type MOSFET Explained (Construction; Working and Characteristics Explained)

MOSFET Solved Problem | Quiz - 212

How to use MOSFET as a Switch? MOSFET as a Switch Explained

MOSFET as a Switch | Quiz - 300

MOSFET Biasing: Depletion Type MOSFET Biasing (Fixed Bias; Self Bias and Voltage Divider Bias)

MOSFET Biasing Solved Problem | Quiz - 302

MOSFET Biasing : Enhancement Type MOSFET Biasing Explained

MOSFET Biasing : P-Channel MOSFET Biasing | Quiz - 306

MOSFET Biasing Solved Problem | Quiz - 319

MOSFET Solved Problem | Quiz - 307

MOSFET- Channel Length Modulation Explained

MOSFET - Channel Length Modulation Solved Problem | Quiz - 308

MOSFET Transconductance and MOSFET Small Signal Model Explained

MOSFET Transconductance | Quiz - 309

MOSFET Common Source Amplifier - Small Signal Analysis ( Voltage Divider Bias )

MOSFET - Common Source Amplifier | Quiz - 311

MOSFET Common Source Amplifier - Small Signal Analysis ( Drain Feedback Bias)

MOSFET - Common Source Amplifier (Drain Feedback Bias) | Quiz - 313

MOSFET Common GATE Amplifier (Small Signal Analysis) Explained

MOSFET- Common GATE Amplifier Solved Problem | Quiz - 314

MOSFET Common GATE Amplifier Solved sample | Quiz - 315

MOSFET Source Follower (Common Drain Amplifier) - Small Signal Analysis Explained

MOSFET - Small Signal Analysis Solved Problem | Quiz - 316

MOSFET (Common Source Amplifier) with Active Load Explained

MOSFET Amplifier Solved Problem (Intrinsic Gain of the Amplifier) | Quiz - 317

Cascode Amplifier using MOSFET Explained (Cascode Amplifier with Cascode Current Source)

MOSFET- Cascode Amplifier | Quiz - 320

MOSFET - Current Mirror Explained

MOSFET- Current Mirror Solved Problem | Quiz - 322

MOSFET- Current Mirror Circuit Solved problem | Quiz - 323

Cascode Current Mirror Explained (with Simulation)

Cascode Current Mirror Solved Problem | Quiz - 331

MOSFET Solved Problem | Quiz - 338

MOSFET - Differential Amplifier Explained

MOSFET - Differential Amplifier | Quiz - 353

MOSFET - Differential Amplifier (Large Signal Analysis)

Operational Amplifier(Op-Amp) as Voltage Regulator and Filter

Introduction to Operational Amplifier: Characteristics of Ideal Op-Amp

Operational Amplifier: Inverting Op Amp and The Concept of Virtual Ground in Op Amp

Operational Amplifier: Non-Inverting Op-Amp and Op-Amp as Buffer (Op-Amp as Voltage Follower)

Op-Amp: Summing Amplifier (Inverting and Non-Inverting Summing Amplifiers)

Operational Amplifier: Op-Amp as Differential Amplifier or Op-Amp as subtractor (With Examples)

Quiz - 170 (Analog Electronics - Op-amp)

Operational Amplifier / MOSFET Solved Problem (Analog Electronics) | Quiz - 355

Operational Amplifier (Op-Amp) Solved Example | Quiz - 251

Operational Amplifier (Op-Amp) Solved Example | Analog Electronics | Quiz - 352

Op-Amp Integrator (with Derivation and Solved Examples)

Op-Amp Differentiator (with Derivation and Examples)

Op-Amp: Gain Bandwidth Product and Frequency Response

Op-Amp Slew Rate Explained (with Examples)

Slew Rate of the Op-Amp (Quiz - 224)

Op-Amp: CMRR (Common Mode Rejection Ratio) Explained (with example)

Op-Amp: Input Offset Voltage Explained

Op-Amp: Input Bias Current and Input Offset Current Explained

Op-Amp Solved Examples (Part 1)

Op-Amp Solved Examples (Part 2)

Operational Amplifier (Op-Amp) Solved Problem | Quiz - 84

Operational Amplifier (Op-Amp) Solved Example | Quiz - 47

Quiz - 202 (Op-Amp Slew Rate)

Op-Amp (Operational Amplifier) | Quiz - 216

Op-Amp (Operational Amplifier) | Quiz - 229

Operational Amplifier (Op-Amp) Solved Example | Quiz - 137

Two-Port Network /Op-Amp Solved Example | Quiz - 239

Operational Amplifier (Op-amp) Solved Example | Quiz - 232

Quiz - 207 (BJT / Op-Amp)

Op-Amp Solved Example | Quiz - 246

Operational Amplifier (Op-Amp) Solved Problem | Quiz - 276

Op-Amp Solved Example | Quiz - 249

Operational Amplifier (Op-Amp) Solved Problem | Quiz - 270

Operational Amplifier Solved Problem | Quiz - 285

Op-Amp Solved Problems | Quiz - 62

Operational Amplifier (Op-Amp) Solved Problem | Quiz - 260

Operational Amplifier (Op-Amp) Solved Problems | Quiz - 109; 119 and 121

Miller's Theorem Solved Problem | Quiz - 284

Operational Amplifier (Op-Amp) Solved Problem | Quiz - 330

Quiz - 153 (Operational Amplifier)

Comparator Explained (Inverting Comparator; Non-Inverting Comparator and Window Comparator)

Op-Amp as Comparator Solved Problem | Quiz - 71

Transient Analysis / Comparator Solved Problem | Quiz - 407

Schmitt Trigger Explained (Design of Inverting and Non-inverting Schmitt Trigger using Op-Amp)

Solved Examples on Schmitt Trigger and Comparator

Quiz - 191 (Op-Amp - Schmitt Trigger)

Op-Amp Solved Example | Quiz - 321

Operational Amplifier (op-amp) Solved Example | Quiz - 38

Operational Amplifier (Op-Amp) Solved Example | Quiz - 76

Operational Amplifier (Op-Amp) Solved Problem | Quiz - 294

Op-Amp Solved Example | Quiz - 139

Operational Amplifier (Op-Amp) Solved Example | Quiz - 382

Operational Amplifier (Op-Amp) Solved Problem | Quiz - 383

Operational Amplifier (Op-Amp) Solved Example | Quiz - 364

Instrumentation Amplifier Explained (with Derivation)

Op-Amp: Voltage to Current Converter

Op-Amp: Current to Voltage Converter (Transimpedance Amplifier) and it's applications

Log and Antilog Amplifiers & its Appilcations

What is Precision Rectifier? Precision Rectifier Explained

Peak Detector Circuit Explained

Astable Multivibrator (using op-amp) Explained

Monostable Multivibrator (using op-amp) Explained

How to Generate a Triangular Wave (Part -1)

How to Generate a Triangular Wave (Part- 2)

Active Clamper Circuit (Clamper Circuit using Op-Amp) Explained

Active Clipper Circuit (Clipper Circuit using op-amp) Explained

Voltage Regulator: Op Amp as Voltage Regulator

Quiz - 160 (Voltage Regulator - Analog Electronics)

Quiz - 172 (Analog Electronics - Voltage Regulator /Load Regulation)

Op-Amp as Voltage Regulator Solved Example | Quiz - 310

RC Low Pass Filter Explained

RC High Pass Filter Explained

Active Low Pass Filter and Active High Pass Filter Explained

Operational Amplifier (Active Filters using Op-Amp) Solved Problems | Quiz - 115 and Quiz - 122

Op-Amp/ Active Filter | Quiz - 235

Active Filter (using op-amp) Solved Example | Quiz - 265

Band Pass Filter and Band Stop Filter Explained

Operational Amplifier (Op-Amp) / Active Filters Solved Problem | Quiz - 305

Filter Approximations: Overview of Butterworth; Chebyshev; Elliptic and Bessel Filter Approximation

Butterworth Filter : Design of Low Pass and High Pass Filters

Low-Pass Filter Frequency Response (Sallen-Key Filter Topology) | Quiz - 380

Chebyshev Filter : Design of Low Pass and High Pass Filters

Oscillators

How Oscillator Works? The Working Principle of the Oscillator Explained

RC Phase Shift Oscillator (using Op-Amp) Explained

Quiz - 171 (Analog Electronics - Oscillator)

Wien Bridge Oscillator (using op-amp) Explained

Wien Bridge Oscillator Solved Problem | Quiz - 45

Wien Bridge Oscillator | Quiz - 362

Colpitts Oscillator Explained

Crystal Oscillator Explained

Quiz - 161 (Crystal Oscillator - Analog Electronics)

Data Converters(ADC and DAC)

Introduction to Data Converters

Binary Weighted Resistor DAC

R-2R Ladder DAC (Voltage Switched)

R-2R Ladder DAC (Current Switched)

Counter type ADC

Successive Approximation type ADC

Flash Parallel type ADC

Dual Slope or Integrating type ADC

Sigma Delta ADC

ADC Problem Example

Resolution of DAC

ADC GATE Model Example 1

ADC GATE Model Example 2

Flash ADC GATE Model Example

Resolution of DAC GATE Model Example

Switching Devices -Diode

Introduction to Power Electronics

Ideal and Practical Switch

Types of Switches

Numerical 1 on Types of Switches

Numerical 2 on Types of Switches

PN Junction Diode Construction and Formation of Depletion Layer

Biasing of PN Junction Diode

V I Characteristic of Diode

Numerical 1 on Diode

Switching Devices -SCR

SCR Construction

Forward Biasing of SCR

Reverse Biasing of SCR

Static V I Characteristic of SCR

Numerical 1 on Static V I Characteristic of SCR

Numerical 2 on Static V I Characteristic of SCR

Single Phase Half Wave Uncontrolled Rectifier

Rectifier Introduction

R load Circuit Operation in Single Phase Half Wave Uncontrolled Rectifier

R Load Derivations in Single Phase Half Wave Uncontrolled Rectifier

RL load Circuit Operation in Single Phase Half Wave Uncontrolled Rectifier

RL Load Derivations in Single Phase Half Wave Uncontrolled Rectifier

RL load and Freewheeling Diode in Single Phase Half Wave Uncontrolled Rectifier

RE load and Free wheeling Diode in Single Phase Half Wave Uncontrolled Rectifier

RE load Circuit Operation in Single Phase Half Wave Uncontrolled Rectifier

RE load Derivation in Single Phase Half Wave Uncontrolled Rectifier

RLE Load Circuit Operation in Single Phase Half Wave Uncontrolled Rectifier

RLE Load Derivations in Single Phase Half Wave Uncontrolled Rectifier

Single Phase Half Wave Controlled Rectifier

R Load Circuit Operation in Single Phase Half Wave Controlled Rectifier

R Load Derivations in Single Phase Half Wave Controlled Rectifier

RL Load Circuit Operation in Single Phase Half Wave Controlled Rectifier

RL Load Derivations in Single Phase Half Wave Controlled Rectifier

RL load & Free wheeling Diode Circuit Operation in Single Phase Half Wave Controlled Rectifier

RL load & Free wheeling Diode Derivation in Single Phase Half Wave Controlled Rectifier

RE load Circuit Operation in Single Phase Half Wave Controlled Rectifier

RE load Derivation in Single Phase Half Wave Controlled Rectifier

Inverters

Types of Inverters

Single Phase Half Bridge Inverter with R Load Circuit Operation

Fourier Series Analysis of Single Phase Half Bridge Inverter with R Load

Harmonic Contents in Output of Single Phase Half Bridge Inverter with R Load

Single Phase Half Bridge Inverter with RL Load Circuit Operation

Fourier Series Analysis of single-phase Half-Bridge Inverter With RL load - Inverters - GATE

Single Phase Full Bridge Inverter with R Load Circuit Operation

Fourier Series Analysis of O/p Voltage & Current of single-phase Full Bridge Inverter With R load

Harmonic Contents in Output Voltage of single-phase Full Bridge Inverter With R load- GATE Inverters

Single Phase Full Bridge Inverter with RL load

Fourier Series Analysis of O/P Voltage & Current of single phase Full Bridge Inverter With RL load

Numerical 1 on Single Phase Full Bridge Inverter

DC-DC Converters(Choppers)

Introduction to Chopper

Step Down Chopper

Buck Converter Part 1

Buck Converter Part 2

Buck Converter Part 3

Buck Converter Part 4

Buck Converter Part 5

AC Voltage Controller

Single Phase Half Wave AC Voltage Controller with R Load

Single Phase Half Wave AC Voltage Controller with RL Load

Previous Year GATE Question 1 - Previous Year GATE Questions - GATE Power Electronics

Previous Year GATE Question 2 - Previous Year GATE Questions - GATE Power Electronics

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