# Thevenin Theorem Involving Dependent and Independent Sources MCQ’s

This set of Network Theory Multiple Choice Questions & Answers (MCQs) focuses on “Thevenin Theorem Involving Dependent and Independent Sources”.

1. For the circuit given in figure below, the Thevenin equivalent as viewed from terminals y and y’ is _________

a) 8 V and 32 Ω

b) 4 V and 32 Ω

c) 5 V and 6 Ω

d) 7 V and 6 Ω

2. In the following circuit, when R = 0 Ω, the current IR equals to 10 A. The value of R, for which maximum power is absorbed by it is ___________

a) 4 Ω

b) 3 Ω

c) 2 Ω

d) 1 Ω

3. A circuit is given in the figure below. The Thevenin equivalent as viewed from terminals x and x’ is ___________

a) 8 V and 6 Ω

b) 5 V and 6 Ω

c) 5 V and 32 Ω

d) 8 V and 32 Ω

4. In the following circuit, when R = 0 Ω, the current I_{R} equals to 10 A. The maximum power will be?

a) 50 W

b) 100 W

c) 200 W

d) 400 W

5. For the circuit given below, the Thevenin voltage across the terminals A and B is ____________

a) 1.25 V

b) 0.25 V

c) 1 V

d) 0.5 V

6. In the circuit given below, it is given that V_{AB} = 4 V for R_{L} = 10 kΩ and V_{AB} = 1 V for R_{L} = 2kΩ. The values of the Thevenin resistance and voltage for the network N are ____________

a) 16 kΩ and 30 V

b) 30 kΩ and 16 V

c) 3 kΩ and 6 V

d) 50 kΩ and 30 V

7. For the circuit given below, the Thevenin resistance across the terminals A and B is _____________

a) 5 Ω

b) 7 kΩ

c) 1.5 kΩ

d) 1.1 kΩ

8. In the following circuit, the value of open circuit voltage and the Thevenin resistance between terminals a and b are ___________

a) V_{OC} = 100 V, R_{TH} = 1800 Ω

b) V_{OC} = 0 V, R_{TH} = 270 Ω

c) V_{OC} = 100 V, R_{TH} = 90 Ω

d) V_{OC} = 0 V, R_{TH} = 90 Ω

9. For the circuit shown in figure below, the value of the Thevenin resistance is _________

a) 100 Ω

b) 136.4

c) 200 Ω

d) 272.8 Ω

10. In the figure given below, the value of the source voltage is ___________

a) 12 V

b) 24 V

c) 30 V

d) 44 V

11. In the figure given below, the Thevenin’s equivalent pair, as seen at the terminals P-Q, is given by __________

a) 2 V and 5 Ω

b) 2 V and 7.5 Ω

c) 4 V and 5 Ω

d) 4 V and 7.5 Ω

12. For the circuit shown in the figure below, the Thevenin voltage and resistance looking into X-Y are __________

a) \frac{4}{3} V and 2 Ω

b) 4V and \frac{2}{3} Ω

c) \frac{4}{3} V and \frac{2}{3} Ω

d) 4 V and 2 Ω

13. In the figure given below, the value of Resistance R by Thevenin Theorem is ___________

a) 10

b) 20

c) 30

d) 40

14. The Thevenin equivalent impedance Z between the nodes P and Q in the following circuit is __________

a) 1

b) 1 + s + \frac{1}{s}

c) 2 + s + \frac{1}{s}

d) 3 + s + \frac{1}{s}

15. While computing the Thevenin equivalent resistance and the Thevenin equivalent voltage, which of the following steps are undertaken?

a) Both the dependent and independent voltage sources are short-circuited and both the dependent and independent current sources are open-circuited

b) Both the dependent and independent voltage sources are open-circuited and both the dependent and independent current sources are short-circuited

c) The dependent voltage source is short-circuited keeping the independent voltage source untouched and the dependent current source is open-circuited keeping the independent current source untouched

d) The dependent voltage source is open-circuited keeping the independent voltage source untouched and the dependent current source is short-circuited keeping the independent current source untouched

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