Practice Test: Electronics Engineering (ECE)- 7 - Electronics and Communication Engineering (ECE) MCQ

# Practice Test: Electronics Engineering (ECE)- 7 - Electronics and Communication Engineering (ECE) MCQ

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## 30 Questions MCQ Test GATE ECE (Electronics) Mock Test Series 2025 - Practice Test: Electronics Engineering (ECE)- 7

Practice Test: Electronics Engineering (ECE)- 7 for Electronics and Communication Engineering (ECE) 2024 is part of GATE ECE (Electronics) Mock Test Series 2025 preparation. The Practice Test: Electronics Engineering (ECE)- 7 questions and answers have been prepared according to the Electronics and Communication Engineering (ECE) exam syllabus.The Practice Test: Electronics Engineering (ECE)- 7 MCQs are made for Electronics and Communication Engineering (ECE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Practice Test: Electronics Engineering (ECE)- 7 below.
Solutions of Practice Test: Electronics Engineering (ECE)- 7 questions in English are available as part of our GATE ECE (Electronics) Mock Test Series 2025 for Electronics and Communication Engineering (ECE) & Practice Test: Electronics Engineering (ECE)- 7 solutions in Hindi for GATE ECE (Electronics) Mock Test Series 2025 course. Download more important topics, notes, lectures and mock test series for Electronics and Communication Engineering (ECE) Exam by signing up for free. Attempt Practice Test: Electronics Engineering (ECE)- 7 | 65 questions in 180 minutes | Mock test for Electronics and Communication Engineering (ECE) preparation | Free important questions MCQ to study GATE ECE (Electronics) Mock Test Series 2025 for Electronics and Communication Engineering (ECE) Exam | Download free PDF with solutions
Practice Test: Electronics Engineering (ECE)- 7 - Question 1

### The following plot shows a function y which varies linearly with x, the value of the integral of

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Practice Test: Electronics Engineering (ECE)- 7 - Question 2
Detailed Solution for Practice Test: Electronics Engineering (ECE)- 7 - Question 2

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Practice Test: Electronics Engineering (ECE)- 7 - Question 3

### The residues of the complex function

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Practice Test: Electronics Engineering (ECE)- 7 - Question 4

A and B throw a pair cf dice alternately. A wins if he throws 6 before B throws 7 and B wins if he throws 6 before A throws 7. A begins. Find the probability of A losing.

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Practice Test: Electronics Engineering (ECE)- 7 - Question 5

Identify which one of the following is not a tree of the graph shown in the figure

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abfg forms e loop and is not a tree of the graph. Definition of tree: A tree is a connected subgraph of a connected graph containing all the nodes of the graph but containing no loops.

Practice Test: Electronics Engineering (ECE)- 7 - Question 6

In the circuit below the voltage v(t) is _______________

.

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Practice Test: Electronics Engineering (ECE)- 7 - Question 7

The admittance parameter Y12 in the two port network is ______________ .

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Practice Test: Electronics Engineering (ECE)- 7 - Question 8

A common emitter amplifier shown in the figure is biased using a 1 mA ideal current source. The approximate base current value is

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Practice Test: Electronics Engineering (ECE)- 7 - Question 9

A 555 astable oscillator with R1 = 40 kΩ, R2 = 120 kΩ and C = 4.0 μF will oscillate at

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Practice Test: Electronics Engineering (ECE)- 7 - Question 10

The CMRR of the differential amplifier circuit shown is equal to

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Practice Test: Electronics Engineering (ECE)- 7 - Question 11

Heat sinks are used in power amplifier circuits

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Practice Test: Electronics Engineering (ECE)- 7 - Question 12

A circuit using an op - AMP is shown in the given figure it has

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Since the feedback current is proportional to the output voltage, it is a voltage shunt feedback amplifier.

Practice Test: Electronics Engineering (ECE)- 7 - Question 13

The number of unused states in a 4-bit Johnson counter is _____________

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Practice Test: Electronics Engineering (ECE)- 7 - Question 14

If the output of a logic gate is ‘1’ when all its inputs are at logic 'O' then the gate is either

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Practice Test: Electronics Engineering (ECE)- 7 - Question 15

When two non - linear systems S1 and S2 are connected in cascade the overall system is

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Y(t) - Si * S2 = linear
Exponential of any signal as non - linear
logarithm of any signal is non - linear
When two linear systems are connected in cascaded the
system is non - linear
Sim tarty two non linear systems are connected in cascaded then the system is linear

Practice Test: Electronics Engineering (ECE)- 7 - Question 16

The discrete time fourier transform of signal

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Practice Test: Electronics Engineering (ECE)- 7 - Question 17

y(t) = x(t) * h(t) then Express z(t)

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Practice Test: Electronics Engineering (ECE)- 7 - Question 18

The gain margin of a unity feedback control system with the open loop transfer function

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Practice Test: Electronics Engineering (ECE)- 7 - Question 19

Detailed Solution for Practice Test: Electronics Engineering (ECE)- 7 - Question 19

Transfer function of lag compensator Is in the form of T(s)

Practice Test: Electronics Engineering (ECE)- 7 - Question 20

The open-loop transfer function of a feedback control system is    The break-away point of its root locus plot

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Practice Test: Electronics Engineering (ECE)- 7 - Question 21

A signal m(t) is multiplied by cosine wave form of frequency fc., (m(t) is not a sinusoidal) if fourier transform of m(t) is M(f), then the fourier transform of the product is

Practice Test: Electronics Engineering (ECE)- 7 - Question 22

Autocorrelation of Non periodic wave form of finite energy and its energy spectral density are

Practice Test: Electronics Engineering (ECE)- 7 - Question 23

Hilbert transform of a signal is

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Solution: The Hilbert transform is a mathematical operation used in signal processing that shifts the phase of all components of a signal by 90°. It is commonly used to generate the analytic signal, which combines the original signal and its Hilbert transform into a complex-valued signal.

Practice Test: Electronics Engineering (ECE)- 7 - Question 24

The magnetic field intensity vector of a plane wave is given by H (x, y, z, t) = 10 sin (1000t + 0.002x + 20) ay where ay denotes the unit vector in y-direction. The wave propagating with a phase velocity

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Practice Test: Electronics Engineering (ECE)- 7 - Question 25

Distilled water at 35°C is characterized by    2GHz then its loss tangent is

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Practice Test: Electronics Engineering (ECE)- 7 - Question 26

The orthogonal trajectory of the family of curves xy = k2 is

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Practice Test: Electronics Engineering (ECE)- 7 - Question 27

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Practice Test: Electronics Engineering (ECE)- 7 - Question 28

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Practice Test: Electronics Engineering (ECE)- 7 - Question 29

Solve the partial differential equation pe2y = qe2x.

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Practice Test: Electronics Engineering (ECE)- 7 - Question 30

The current I in the figure shown below is?

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## GATE ECE (Electronics) Mock Test Series 2025

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## GATE ECE (Electronics) Mock Test Series 2025

25 docs|263 tests