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

This section includes 12 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.

If ZS = RS+jXS, ZL=RL+jXL, then if RL is fixed, the condition for maximum power to be transferred is?

A. XS=XL
B. XS=-XL
C. XS+XL=0
D. None of the mentioned
Answer» C. XS+XL=0
Discussion
2.

If ZS=RS+jXS, ZL=RL, then condition for maximum power to be transferred is?

A. RL=|ZS|
B. RL=ZS
C. RL=-|ZS|
D. RL=-ZS
Answer» B. RL=ZS
Discussion
3.

If the source ZS is complex, then the condition for the maximum power to be transferred is?

A. ZL=ZS
B. ZL=ZS*
C. ZL=-ZS
D. ZL=-ZS*
Answer» C. ZL=-ZS
Discussion
4.

Find the value of the maximum power in the circuit shown below.

A. 25
B. 50
C. 75
D. 100
Answer» B. 50
Discussion
5.

In the circuit shown determine the value of load resistance when the load resistance draws maximum power?

A. 50
B. 25
C. 75
D. 100
Answer» C. 75
Discussion
6.

Find the maximum power delivered by the source in the following circuit.

A. 96.6
B. 97.6
C. 98.6
D. 99.6
Answer» D. 99.6
Discussion
7.

For the circuit shown, the resistance R is variable from 2Ω to 50Ω. What value of RS results in maximum power transfer across terminals ‘ab’.

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
Discussion
8.

The maximum power delivered by the source in the below circuit shown?

A. 39.33
B. 40.33
C. 41.33
D. 42.33
Answer» D. 42.33
Discussion
9.

What is the load current in the following circuit?

A. 1.66∠90⁰
B. 1.66∠0⁰
C. 2.66∠0⁰
D. 2.66∠90⁰
Answer» C. 2.66∠0⁰
Discussion
10.

In the circuit shown below, find the value of load impedance for which source delivers maximum power.

A. 15-j20
B. 15+j20
C. 20-j15
D. 20+j15
Answer» B. 15+j20
Discussion
11.

For ZL = ZS*, the relation between XL and XS is?

A. XL = XS
B. XL = 0
C. XL = 1
D. XL = -XS
Answer» E.
Discussion
12.

If ZL = ZS*, then?

A. RL = 1
B. RL = 0
C. RL = -RS
D. RL = RS
Answer» E.
Discussion