SRM University 2007 B.Tech Electronics and Communications Engineering BANK : CIRCUIT THEORY - UNIT II - Question Paper

UNIT-II PART-A

1.Determine the equivalent voltage source for the current source shown in figure.
2.Determine the equivalent current source for the voltage source shown in figure.
3.Reduce the provided circuit into a circuit having single source.
4.For the circuit shown below, find a single voltage source ranging from terminals A and B.


5.Obtain the star connected equivalent for the delta connected circuit.


6.Obtain the delta connected equivalent for the star connected circuit.

7.Find the equivalent star network for the provided circuit.
8.State Thevenin’s theorem.

9.Determine the Thevenin’s equivalent circuit for the subsequent circuit

10. Determine the Thevenin’s voltage across AB in the subsequent circuit.

11.Find the Thevenin’s voltage for the provided circuit.

12. State Norton’s theorem.

13. find the Norton’s equivalent circuit for the provided circuit.
14. Determine the Norton’s equivalent circuit at terminals AB for the subsequent circuit.
15. obtain the Norton’s equivalent circuit for the provided circuit.
16. State Reciprocity theorem

17.Verify the reciprocity theorem for the network shown in figure.


18.In the circuit shown in the figure obtain the current in the 4? resistor .Apply the reciprocity theorem and compare the currents.
19. State Superposition theorem.
20.Find the total current passing through the circuit by superposition theorem.
21.For the resistive network shown in the figure ,find the current in 3? resistor, using superposition principle.
22. State Compensation theorem.

23.Determine the current flowing in the ammeter having 5? internal resistance connected in series with a 5? resistor shown in figure.
24. State Maximum power transfer theorem.

25.Determine the value of the load resistance when the load resistance draws maximum power, in the circuit. Also obtain the maximum power.
26. State Tellegen’s theorem.

27.Verify the Tellegen’s theorem for the network shown beneath.
28.Illustrate Tellegen’s theorem by the subsequent circuit.

29. State Millman’s theorem

30.Convert the provided circuit into single voltage source with a resistance by Millman’s theorem.
PART-B

1.Determine the current drawn by the circuit shown in the figure.
2.Determine the equivalent resistance by using star-delta transformation..
3.By using source transformation, source combination and resistance combination
convert the provided circuit into a single voltage source and single resistance.
4.Reduce the subsequent to a single source equivalent (both current source and voltage source).
5.Use Thevenin’s theorem to obtain the current in 3? resistor in figure.
6. Use Thevenin’s theorem to obtain the current through 5? resistor in figure.


7.Find Thevenin’s equivalent circuit for the circuit shown in figure.

8.Determine the current flowing through the 5? resistor in the circuit by using Norton’s theorem.

9.Determine the Norton’s equivalent circuit for the provided circuit.
10.For the resistive network, obtain the current in every resistor, using superposition principle.
11.Determine the voltage across the terminals AB in the provided circuit.




12.Using the compensation theorem, determine the ammeter studying where it is connected to 6? resistor shown in figure. The internal resistance of the ammeter is 2?.
13.Verify the reciprocity theorem for the provided circuit shown in figure.

14.Determine the maximum power delivered to the load in the circuit.
15.Determine the load resistance to receive maximum power from the source; also obtain the maximum power delivered to the load in the circuit.


16.Verify Tellegen’s theorem for the circuit shown in figure.



17.Calculate the current I shown in figure using Millman’s theorem.


18.Determine the current through the 2? resistor as shown in figure using Superposition theorem.
19.For the circuit shown in figure, find Thevenin’s equivalent circuit.

20.Find Norton’s equivalent circuit for the provided circuit.
21.For the circuit shown in figure, determine the Thevenin’s equivalent ranging from output terminals.


22.Determine the Norton’s equivalent circuit ranging from output terminals AB.
23. Determine the current in (2+j3)? by using the superposition theorem.


24.Find the value of Z that will receive maximum power in the circuit. Also determine the power.


25.For the circuit, obtain the value of Z that will receive maximum power. Also determine the power

Earning:   Approval pending.