Explore topic-wise MCQs in Network Theory.

This section includes 27 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 current through 5Ω resistor in the following circuit.

A. 0.1
B. 0.2
C. 0.3
D. 0.4
Answer» C. 0.3
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
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.
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
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
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
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
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
9.

Can we use Thevenin’s theorem on a circuit containing a BJT?

A. Yes
B. No
C. Depends on the BJT
D. Insufficient data provided
Answer» C. Depends on the BJT
10.

Which of the following is also known as the dual of Thevenin’s theorem?

A. Norton’s theorem
B. Superposition theorem
C. Maximum power transfer theorem
D. Millman’s theorem
Answer» B. Superposition theorem
11.

Vth is found across the ____________ terminals of the network.

A. Input
B. Output
C. Neither input nor output
D. Either input or output
Answer» C. Neither input nor output
12.

In Thevenin’s theorem Vth is __________

A. Sum of two voltage sources
B. A single voltage source
C. Infinite voltage sources
D. 0
Answer» C. Infinite voltage sources
13.

Thevenin’s theorem is true for __________

A. Linear networks
B. Non-Linear networks
C. Both linear networks and nonlinear networks
D. Neither linear networks nor non-linear networks
Answer» B. Non-Linear networks
14.

Calculate the current across the 4 ohm resistor.

A. 0.86A
B. 1.23A
C. 2.22A
D. 0.67A
Answer» B. 1.23A
15.

Calculate Vth for the given circuit.

A. 5.54V
B. 3.33V
C. 6.67V
D. 3.67V
Answer» D. 3.67V
16.

Calculate the Thevenin resistance across the terminal AB for the following circuit.

A. 4.34 ohm
B. 3.67 ohm
C. 3.43 ohm
D. 2.32 ohm
Answer» C. 3.43 ohm
17.

CAN_WE_USE_THEVENIN‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•S_THEOREM_ON_A_CIRCUIT_CONTAINING_A_BJT??$#

A. Yes
B. No
C. Depends on the BJT
D. Insufficient data provided
Answer» C. Depends on the BJT
18.

FIND_THE_EQUIVALENT_THEVENIN‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•S_RESISTANCE_BETWEEN_TERMINALS_A_AND_B_IN_THE_CIRCUIT_SHOWN_ABOVE_IN_QUESTION_8.?$#

A. 6
B. 7
C. 8
D. 9
Answer» E.
19.

Find_the_current_through_5Ω_resistor_in_the_circuit_shown_above_in_question_8.$#

A. 0.1
B. 0.2
C. 0.3
D. 0.4
Answer» C. 0.3
20.

Which of the following is also known as the dual of Thevenin’s theorem?#

A. Norton’s theorem
B. Superposition theorem
C. Maximum power transfer theorem
D. Millman’s theorem
Answer» B. Superposition theorem
21.

Vth is found across the ____________ terminals of the network?

A. Input
B. Output
C. Neither input nor output
D. Either input or output
Answer» C. Neither input nor output
22.

In Thevenin’s theorem Vth is__________$

A. Sum of two voltage sources
B. A single voltage source
C. Infinite voltage sources
D. 0
Answer» C. Infinite voltage sources
23.

Thevenin’s theorem is true for __________$

A. Linear networks
B. Non-Linear networks
C. Both linear networks and nonlinear networks
D. Neither linear networks nor non-linear networks
Answer» B. Non-Linear networks
24.

Find the equivalent thevenin’s resistance between terminals A and B in the circuit shown above in question 4.$

A. 333
B. 33.3
C. 3.33
D. 0.333
Answer» D. 0.333
25.

Thevenin resistance is found by ________

A. Shorting all voltage sources
B. Opening all current sources
C. Shorting all voltage sources and opening all current sources
D. Opening all voltage sources and shorting all current sources
Answer» D. Opening all voltage sources and shorting all current sources
26.

The Thevenin voltage is the__________

A. Open circuit voltage
B. Short circuit voltage
C. Open circuit and short circuit voltage
D. Neither open circuit nor short circuit voltage
Answer» B. Short circuit voltage
27.

In the circuit shown above in question 1 find the thevenin’s resistance between terminals A and B.$

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