Question

The experimental verification of kirchoff law was done by

Answer 1

"Apparatus:

Three isolated D.C Power Supplies

Vs1=12v; Vs2=15;Vs3=30

• Dc Voltmeter 0-50v

• Resistors: AB=100 CD=56 EF=82 GH=JA=100

• Bread Board

• Jumper Wires

Procedure:

1. Construct the circuit shown in the figure

2. Close switch de

3. Commence at point a and measure the potential difference between each successive pair of lettered terminal

4. Note in each case whether the potential difference measured represents a rise or a fall in potential.

5. Open switch de.

6. Commence at point and repeat the procedure of part.

7. Draw a graph set of axes with abscissa uniformly scaled to represent the lettered points of the circuit. Commence and finish with the letter a. the ordinate is to represent positive and negative potentials.

Analysis, Deductions and conclusion:

• Has Kirchhoff’s voltage been verified?

• What facts determined from the experimental result support this decision?

• It is correct to say that in any closed loop in a circuit there is a much voltage rise as there is voltage fall?

• Do voltage fall occur always and only over resistor?

• Do voltage rises occur always and only over source of supply?

Find:

Total Voltage Rise:

Total Voltage Fall:

Difference (if Any):

"

Answer 2

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