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# Electrical Engineering Electric Circuits Theory Basic Laws Circuit Theorems Notes | EduRev

## : Electrical Engineering Electric Circuits Theory Basic Laws Circuit Theorems Notes | EduRev

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Electrical Engineering – Electric Circuits Theory
Michael E.Auer     24.10.2012             EE01
• Basic Laws
• Circuit Theorems
• Methods of Network Analysis
• Non-Linear Devices and Simulation Models
EE Modul 1: Electric Circuits Theory
Page 2

Electrical Engineering – Electric Circuits Theory
Michael E.Auer     24.10.2012             EE01
• Basic Laws
• Circuit Theorems
• Methods of Network Analysis
• Non-Linear Devices and Simulation Models
EE Modul 1: Electric Circuits Theory
Electrical Engineering – Electric Circuits Theory
Michael E.Auer     24.10.2012             EE01
• Current, Voltage, Impedance
• Ohm’s Law, Kirchhoff's Law
• Circuit Theorems
• Methods of Network Analysis

EE Modul 1: Electric Circuits Theory
Page 3

Electrical Engineering – Electric Circuits Theory
Michael E.Auer     24.10.2012             EE01
• Basic Laws
• Circuit Theorems
• Methods of Network Analysis
• Non-Linear Devices and Simulation Models
EE Modul 1: Electric Circuits Theory
Electrical Engineering – Electric Circuits Theory
Michael E.Auer     24.10.2012             EE01
• Current, Voltage, Impedance
• Ohm’s Law, Kirchhoff's Law
• Circuit Theorems
• Methods of Network Analysis

EE Modul 1: Electric Circuits Theory
Electrical Engineering – Electric Circuits Theory
Michael E.Auer     24.10.2012             EE01
Electric Charges

• Charge is an electrical property of the atomic particles of
which matter consists, measured in coulombs (C).

• The charge e on one electron is negative and equal in
magnitude to 1.602 × 10
-19
C which is called as
electronic charge. The charges that occur in nature are
integral multiples of the electronic charge.
Page 4

Electrical Engineering – Electric Circuits Theory
Michael E.Auer     24.10.2012             EE01
• Basic Laws
• Circuit Theorems
• Methods of Network Analysis
• Non-Linear Devices and Simulation Models
EE Modul 1: Electric Circuits Theory
Electrical Engineering – Electric Circuits Theory
Michael E.Auer     24.10.2012             EE01
• Current, Voltage, Impedance
• Ohm’s Law, Kirchhoff's Law
• Circuit Theorems
• Methods of Network Analysis

EE Modul 1: Electric Circuits Theory
Electrical Engineering – Electric Circuits Theory
Michael E.Auer     24.10.2012             EE01
Electric Charges

• Charge is an electrical property of the atomic particles of
which matter consists, measured in coulombs (C).

• The charge e on one electron is negative and equal in
magnitude to 1.602 × 10
-19
C which is called as
electronic charge. The charges that occur in nature are
integral multiples of the electronic charge.
Electrical Engineering – Electric Circuits Theory
Michael E.Auer     24.10.2012             EE01
Electric Current (1)

• Electric current i = dq/dt. The unit of ampere can
be derived as 1 A = 1C/s.
• A direct current (dc) is a current that remains
constant with time.
• An alternating current (ac) is a current that
varies sinusoidally with time.
Page 5

Electrical Engineering – Electric Circuits Theory
Michael E.Auer     24.10.2012             EE01
• Basic Laws
• Circuit Theorems
• Methods of Network Analysis
• Non-Linear Devices and Simulation Models
EE Modul 1: Electric Circuits Theory
Electrical Engineering – Electric Circuits Theory
Michael E.Auer     24.10.2012             EE01
• Current, Voltage, Impedance
• Ohm’s Law, Kirchhoff's Law
• Circuit Theorems
• Methods of Network Analysis

EE Modul 1: Electric Circuits Theory
Electrical Engineering – Electric Circuits Theory
Michael E.Auer     24.10.2012             EE01
Electric Charges

• Charge is an electrical property of the atomic particles of
which matter consists, measured in coulombs (C).

• The charge e on one electron is negative and equal in
magnitude to 1.602 × 10
-19
C which is called as
electronic charge. The charges that occur in nature are
integral multiples of the electronic charge.
Electrical Engineering – Electric Circuits Theory
Michael E.Auer     24.10.2012             EE01
Electric Current (1)

• Electric current i = dq/dt. The unit of ampere can
be derived as 1 A = 1C/s.
• A direct current (dc) is a current that remains
constant with time.
• An alternating current (ac) is a current that
varies sinusoidally with time.
Electrical Engineering – Electric Circuits Theory
Michael E.Auer     24.10.2012             EE01
Electric Current (2)
The direction of current flow:
Positive ions Negative ions
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