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KCL & KVL

The document describes an experiment to verify Kirchhoff's laws of voltage and current. The experiment involves building a circuit with resistors and measuring voltages and currents. Kirchhoff's laws are then used to calculate theoretical values which are compared to measured values.

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Sazzad Rahman
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64 views3 pages

KCL & KVL

The document describes an experiment to verify Kirchhoff's laws of voltage and current. The experiment involves building a circuit with resistors and measuring voltages and currents. Kirchhoff's laws are then used to calculate theoretical values which are compared to measured values.

Uploaded by

Sazzad Rahman
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as DOCX, PDF, TXT or read online on Scribd
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Experiment No: 03

Name of the Experiment: Verification of KVL and KCL.


Objectives:
Verify Kirchhoff’s Law is used to help us understand how
current and voltage work within a circuit. They can also be used
analyze complex circuits that can’t be reduced to one equivalent
resistance using what you already know about and parallel
resistors.
Theory:
 KCL (Kirchhoff’s Current law): Kirchhoff’s Current law
states that the currents at any node algebraically sum to zero.
n

∑ i=0
n =1

Incoming current=Outgoing current.

 KVL (Kirchhoff’s Voltage law): Kirchhoff’s voltage law


states that the voltages around a closed path algebraically
sum to zero.

∑ v=0
n =1

Required apparts:
1. Power source
2. Bread board
3. Multimeter
4. Resistance
5. Connecting Wires

Circuit Diagram
Procedure:
1. Connect all the components and build the circuit as
shown in the circuit diagram.
2. Set the voltage to 5(constant).
3. Measure the voltage across the resistor using Voltmeter.
4. Measure the current through each resistor using the
Ammeter.
5. Calculate the values of the voltage drops and current
using the KVL and KCL laws.
6. Compare the measured values and the theoretical values.

Measurements:
 Measurement of R:

Using multimeter,
R1=4.71kΩ
R2=3.17kΩ

 Measurement of V & I:

Using multimeter,
Vc =5.2V V1 =3.16V V2 =2.08V
Ic =2.66mA I1 =1.04mA I2= 1.6mA

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