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

This section includes 18 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.

Find the current through 5Ω resistor in the following circuit.

A. 0.1
B. 0.2
C. 0.3
D. 0.4
Answer» C. 0.3
Discussion
2.

Determine the equivalent thevenin’s voltage between terminals ‘a’ and ‘b’ in the circuit shown below.

A. 0.7
B. 1.7
C. 2.7
D. 3.7
Answer» D. 3.7
Discussion
3.

Find the equivalent thevenin’s resistance between terminals A and B in the following circuit.

A. 6
B. 6.25
C. 6.5
D. 6.75
Answer» E.
Discussion
4.

Find the equivalent thevenin’s resistance between terminals A and B in the circuit shown below.

A. 333
B. 33.3
C. 3.33
D. 0.333
Answer» D. 0.333
Discussion
5.

Determine the equivalent thevenin’s voltage between terminals A and B in the circuit shown below.

A. 0.333
B. 3.33
C. 33.3
D. 333
Answer» D. 333
Discussion
6.

Consider the circuit shown below. Find the current flowing through 24Ω resistor.

A. 0.33
B. 0.66
C. 0
D. 0.99
Answer» B. 0.66
Discussion
7.

Consider the circuit shown below. Find the thevenin’s resistance between terminals A and B.

A. 1
B. 2
C. 1.7
D. 2.7
Answer» D. 2.7
Discussion
8.

Consider the circuit shown below. Find the equivalent Thevenin’s voltage between nodes A and B.

A. 8
B. 8.5
C. 9
D. 9.5
Answer» C. 9
Discussion
9.

Find the Thevenin’s impedance in the following circuit.

A. 11.3∠45⁰
B. 12.3∠45⁰
C. 11.3∠-45⁰
D. 12.3∠-45⁰
Answer» D. 12.3∠-45⁰
Discussion
10.

Determine the thevenin’s voltage in the circuit shown below.

A. 18∠146.31⁰
B. 18∠-146.31⁰
C. 19∠146.31⁰
D. 19∠-146.31⁰
Answer» B. 18∠-146.31⁰
Discussion
11.

Determine the load current across j5Ω in the circuit shown below.

A. 3.66∠90⁰
B. 3.66∠-90⁰
C. 4.66∠90⁰
D. 4.66∠-90⁰
Answer» C. 4.66∠90⁰
Discussion
12.

Find the Thevenin’s impedance across ‘ab’ terminals in the circuit shown below.

A. j4.71
B. j5.71
C. j6.71
D. j7.71
Answer» D. j7.71
Discussion
13.

Determine the Thevenin’s voltage across ‘ab’ terminals in the circuit shown below.

A. 41.86∠0⁰
B. 42.86∠0⁰
C. 43.86∠0⁰
D. 44.86∠0⁰
Answer» C. 43.86∠0⁰
Discussion
14.

Find the thevenin’s impedance in the circuit shown below.

A. 4.83∠-1.13⁰
B. 5.83∠1.13⁰
C. 4.83∠1.13⁰
D. 5.83∠-1.13⁰
Answer» B. 5.83∠1.13⁰
Discussion
15.

In the circuit shown below, find the thevenin’s voltage across ‘ab’ terminals.

A. 48.5∠40.35⁰
B. 48.5∠-40.35⁰
C. 49.5∠-40.35⁰
D. 49.5∠40.35⁰
Answer» E.
Discussion
16.

The value of ZTh in the circuit shown below is?

A. Z3+(Z1Z2/(Z1+Z2))
B. Z1+(Z3Z2/(Z3+Z2))
C. Z2+(Z1Z3/(Z1+Z3))
D. (Z1Z2/(Z1+Z2))
Answer» B. Z1+(Z3Z2/(Z3+Z2))
Discussion
17.

Consider the circuit shown below. The expression of Thevenin’s voltage (VTh) is?

A. V(Z1/(Z1+Z2))
B. V(Z2/(Z1+Z2))
C. V(Z1)
D. V(Z2)
Answer» C. V(Z1)
Discussion
18.

Thevenin’s voltage is equal to the _____________ voltage across the _______________ terminals.

A. short circuit, input
B. short circuit, output
C. open circuit, output
D. open circuit, input
Answer» D. open circuit, input
Discussion