Explore topic-wise MCQs in Network Theory.

This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Network Theory knowledge and support exam preparation. Choose a topic below to get started.

1.

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
2.

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
3.

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
4.

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
5.

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
6.

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
7.

If ZL = ZS*, then?

A. RL = 1
B. RL = 0
C. RL = -RS
D. RL = RS
Answer» E.
Discussion
8.

Find_the_maximum_power_delivered_by_the_source_in_the_circuit_shown_in_the_question_9.$

A. 96.6
B. 97.6
C. 98.6
D. 99.6
Answer» D. 99.6
Discussion
9.

The maximum power delivered by the source in the circuit shown in the question 6 is?

A. 39.33
B. 40.33
C. 41.33
D. 42.33
Answer» D. 42.33
Discussion
10.

The load current in the circuit shown in the question 6 is?

A. 1.66∠90⁰
B. 1.66∠0⁰
C. 2.66∠0⁰
D. 2.66∠90⁰
Answer» C. 2.66‚Äö√Ñ√∂‚àö‚Ć‚Äö√тĆ0‚Äö√Ñ√∂‚àö√ñ‚Äö√†√ª
Discussion
11.

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

A. X<sub>L</sub> = X<sub>S</sub>
B. X<sub>L</sub> = 0
C. X<sub>L</sub> = 1
D. X<sub>L</sub> = -X<sub>S</sub>
Answer» E.
Discussion
12.

If ZL = ZS*, then?

A. R<sub>L</sub> = 1
B. R<sub>L</sub> = 0
C. R<sub>L</sub> = -R<sub>S</sub>
D. R<sub>L</sub> = R<sub>S</sub>
Answer» E.
Discussion
13.

If the source impedance is complex, then the condition for maximum power transfer is?

A. Z<sub>L</sub> = Z<sub>S</sub>
B. Z<sub>L</sub> = Z<sub>S</sub>*
C. Z<sub>L</sub> = -Z<sub>S</sub>
D. Z<sub>L</sub> = -Z<sub>S</sub>*
Answer» C. Z<sub>L</sub> = -Z<sub>S</sub>
Discussion
14.

If source impedance is complex, then maximum power transfer occurs when the load impedance is _______ the source impedance.

A. equal to
B. negative of
C. complex conjugate of
D. negative of complex conjugate of
Answer» D. negative of complex conjugate of
Discussion
15.

The maximum power is delivered from a source to its load when the load resistance is ______ the source resistance.

A. greater than
B. less than
C. equal to
D. less than or equal to
Answer» D. less than or equal to
Discussion