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# PPT - Introduction of Electric Circuit Electrical Engineering (EE) Notes | EduRev

## Electrical Engineering (EE) : PPT - Introduction of Electric Circuit Electrical Engineering (EE) Notes | EduRev

``` Page 1

1
ØØ Introduction to Electric Circuits Introduction to Electric Circuits
Ø Voltage
Ø Current
Ø Current flow
Ø Voltage Sources
Ø Voltmeter (Multimeter)
ØØ Lumped circuits. Lumped circuits.
ØØ Reference directions. Reference directions.
ØØ Kirchhof’s current law (KCL). Kirchhof’s current law (KCL).
ØØ Kirchhof’s voltage law (KVL). Kirchhof’s voltage law (KVL).
ØØ Wavelength and dimension of the circuit. Wavelength and dimension of the circuit.
Page 2

1
ØØ Introduction to Electric Circuits Introduction to Electric Circuits
Ø Voltage
Ø Current
Ø Current flow
Ø Voltage Sources
Ø Voltmeter (Multimeter)
ØØ Lumped circuits. Lumped circuits.
ØØ Reference directions. Reference directions.
ØØ Kirchhof’s current law (KCL). Kirchhof’s current law (KCL).
ØØ Kirchhof’s voltage law (KVL). Kirchhof’s voltage law (KVL).
ØØ Wavelength and dimension of the circuit. Wavelength and dimension of the circuit.
2
Introduction to Electric Circuits Introduction to Electric Circuits
Here we are going to remind what are:
Voltage
Current
Current flow
Voltage Sources
Voltmeter (Multimeter)
Page 3

1
ØØ Introduction to Electric Circuits Introduction to Electric Circuits
Ø Voltage
Ø Current
Ø Current flow
Ø Voltage Sources
Ø Voltmeter (Multimeter)
ØØ Lumped circuits. Lumped circuits.
ØØ Reference directions. Reference directions.
ØØ Kirchhof’s current law (KCL). Kirchhof’s current law (KCL).
ØØ Kirchhof’s voltage law (KVL). Kirchhof’s voltage law (KVL).
ØØ Wavelength and dimension of the circuit. Wavelength and dimension of the circuit.
2
Introduction to Electric Circuits Introduction to Electric Circuits
Here we are going to remind what are:
Voltage
Current
Current flow
Voltage Sources
Voltmeter (Multimeter)
3
What is Voltage?
V = “Electrical pressure” - measured in volts.
H
2
O
High Pressure Low Pressure
Figure 1.1
Page 4

1
ØØ Introduction to Electric Circuits Introduction to Electric Circuits
Ø Voltage
Ø Current
Ø Current flow
Ø Voltage Sources
Ø Voltmeter (Multimeter)
ØØ Lumped circuits. Lumped circuits.
ØØ Reference directions. Reference directions.
ØØ Kirchhof’s current law (KCL). Kirchhof’s current law (KCL).
ØØ Kirchhof’s voltage law (KVL). Kirchhof’s voltage law (KVL).
ØØ Wavelength and dimension of the circuit. Wavelength and dimension of the circuit.
2
Introduction to Electric Circuits Introduction to Electric Circuits
Here we are going to remind what are:
Voltage
Current
Current flow
Voltage Sources
Voltmeter (Multimeter)
3
What is Voltage?
V = “Electrical pressure” - measured in volts.
H
2
O
High Pressure Low Pressure
Figure 1.1
4
A battery in an electrical circuit plays the
same role as a pump in a water system.
Page 5

1
ØØ Introduction to Electric Circuits Introduction to Electric Circuits
Ø Voltage
Ø Current
Ø Current flow
Ø Voltage Sources
Ø Voltmeter (Multimeter)
ØØ Lumped circuits. Lumped circuits.
ØØ Reference directions. Reference directions.
ØØ Kirchhof’s current law (KCL). Kirchhof’s current law (KCL).
ØØ Kirchhof’s voltage law (KVL). Kirchhof’s voltage law (KVL).
ØØ Wavelength and dimension of the circuit. Wavelength and dimension of the circuit.
2
Introduction to Electric Circuits Introduction to Electric Circuits
Here we are going to remind what are:
Voltage
Current
Current flow
Voltage Sources
Voltmeter (Multimeter)
3
What is Voltage?
V = “Electrical pressure” - measured in volts.
H
2
O
High Pressure Low Pressure
Figure 1.1
4
A battery in an electrical circuit plays the
same role as a pump in a water system.
5
What Produces Voltage?
V = “Electrical pressure”
A Battery
Electric Power Plant
Lab Power Supply
Nerve Cell
1.5 V
9 V
13,500 V 13,500 V
A few
Volts
Solar Cell
A few millivolts
when activated by
a synapse
```
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