Explore topic-wise MCQs in Network Theory Questions and Answers.

This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Network Theory Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

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 + \(\frac{1}{s}\)
Answer» B. 1 + s + \(\frac{1}{s}\)
Discussion
2.

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
Answer» B. 2 V and 7.5 Ω
Discussion
3.

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

A. 10
B. 20
C. 30
D. 40
Answer» C. 30
Discussion
4.

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

A. 12 V
B. 24 V
C. 30 V
D. 44 V
Answer» D. 44 V
Discussion
5.

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
Answer» E.
Discussion
6.

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

A. 100 Ω
B. 136.4 Ω
C. 200 Ω
D. 272.8 Ω
Answer» B. 136.4 Ω
Discussion
7.

In the circuit given below, it is given that VAB = 4 V for RL = 10 kΩ and VAB = 1 V for RL = 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
Answer» C. 3 kΩ and 6 V
Discussion
8.

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

A. VOC = 100 V, RTH = 1800 Ω
B. VOC = 0 V, RTH = 270 Ω
C. VOC = 100 V, RTH = 90 Ω
D. VOC = 0 V, RTH = 90 Ω
Answer» E.
Discussion
9.

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
Answer» E.
Discussion
10.

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
Answer» C. 1.5 kΩ
Discussion
11.

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
Answer» D. 1 Ω
Discussion
12.

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
Answer» E.
Discussion
13.

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
Answer» C. 5 V and 32 Ω
Discussion