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

1. In the following circuit, the value of Norton’s resistance between terminals a and b are ___________

a) R_{N} = 1800 Ω

b) R_{N} = 270 Ω

c) R_{N} = 90 Ω

d) R_{N} = 90 Ω

2. For the circuit shown in figure below, the value of Norton’s resistance is _________

a) 100 Ω

b) 136.4 Ω

c) 200 Ω

d) 272.8 Ω

3. The circuit shown in figure has a load equivalent to _________

a) 43 Ω

b) 83 Ω

c) 4 Ω

d) 2 Ω

4. For the circuit shown in the figure below, the Norton Resistance looking into X-Y is __________

a) 2 Ω

b) 23

c) 53

d) 2 Ω

5. In the figure given below, the Norton Resistance, as seen at the terminals P-Q, is given by __________

a) 5 Ω

b) 7.5 Ω

c) 5 Ω

d) 7.5 Ω

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 value of Norton resistance for the network N is ____________

a) 16 kΩ

b) 30 kΩ

c) 3 kΩ

d) 50 kΩ

7. In the figure given below, the value of Resistance R by Norton’s Theorem is ___________

a) 40

b) 20

c) 50

d) 80

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

a) 1

b) 1 + s + 1s

c) 2 + s + 1s

d) 3 + s + 1s

9. For the circuit given below, the Norton’s resistance across the terminals A and B is _____________

a) 5 Ω

b) 7 kΩ

c) 1.5 kΩ

d) 1.1 kΩ

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

a) 32 Ω and 0.25 A

b) 32 Ω and 0.125 A

c) 6 Ω and 0.833 A

d) 6 Ω and 1.167 A

11. The value of R_{N} from the circuit given below is ________

a) 3 Ω

b) 1.2 Ω

c) 5 Ω

d) 12.12 Ω

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

a) 6 Ω and 1.333 A

b) 6 Ω and 0.833 A

c) 32 Ω and 0.156 A

d) 32 Ω and 0.25 A

13. In the figure given below, the power loss in 1 Ω resistor using Norton’s Theorem is ________

a) 9.76 W

b) 9.26 W

c) 10.76 W

d) 11.70 W

14. The current I, as shown in the figure below, is ________

a) 3 A

b) 2 A

c) 1 A

d) 0

15. While computing the Norton equivalent resistance and the Norton equivalent current, 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 open-circuited keeping the independent voltage source untouched and the dependent current source is short-circuited keeping the independent current source untouched

d) 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