Explore topic-wise MCQs in Network Theory.

This section includes 14 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.

In the circuit given below, the current source is 1 A, voltage source is 5 V, R1 = R2 = R3 = 1 Ω, L1 = L2 = L3 = 1 H, C1 = C2 = 1 F. The current through the voltage source V is _________

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

A circuit is given in the figure below. The Norton equivalent as viewed from terminals x and x’ is ___________

A. 6 Ω and 1.333 A
B. 6 Ω and 0.833 A
C. 32 Ω and 0.156 A
D. 32 Ω and 0.25 A
Answer» C. 32 Ω and 0.156 A
Discussion
3.

In the circuit given below, the capacitor is initially having a charge of 10 C. 1 second after the switch is closed, the current in the circuit is ________

A. 14.7 A
B. 18.5 A
C. 40.0 A
D. 50.0 A
Answer» B. 18.5 A
Discussion
4.

In the circuit given below, the current source is 1 A, voltage source is 5 V, R1 = R2 = R3 = 1 Ω, L1 = L2 = L3 = 1 H, C1 = C2 = 1 F. The current through R3 is _________

A. 1 A
B. 5 A
C. 6 A
D. 8 A
Answer» C. 6 A
Discussion
5.

In the circuit given below, the voltage VAB is _________

A. 6 V
B. 25 V
C. 10 V
D. 40 V
Answer» B. 25 V
Discussion
6.

The current flowing through the resistance R in the circuit in the figure has the form 2 cos 4t, where R is ____________

A. (0.18 + j0.72)
B. (0.46 + j1.90)
C. – (0.18 + j1.90)
D. (0.23 – 0.35 j)
Answer» E.
Discussion
7.

In the circuit given below, the value of resistance R is _________

A. 10 Ω
B. 18 Ω
C. 24 Ω
D. 12 Ω
Answer» E.
Discussion
8.

A circuit excited by voltage V has a resistance R which is in series with an inductor and capacitor, which are connected in parallel. The voltage across the resistor at the resonant frequency is ___________

A. 0
B. \(\frac{V}{2}\)
C. \(\frac{V}{3}\)
D. V
Answer» B. \(\frac{V}{2}\)
Discussion
9.

For the three coupled coils shown in figure, KVL equation is ____________

A. V = (L1 + L2 + L3) \(\frac{di}{dt}\)
B. V = (L1 – L2 – L3 – M13) \(\frac{di}{dt}\)
C. V = (L1 + L2 + L3 + 2M12 – 2M23 – 2M13) \(\frac{di}{dt}\)
D. V = (L1 + L2 + L3 – 2M12 + 2M23 + 2M13) \(\frac{di}{dt}\)
Answer» D. V = (L1 + L2 + L3 – 2M12 + 2M23 + 2M13) \(\frac{di}{dt}\)
Discussion
10.

In the circuit given below, the value of V1 is __________

A. 32.2 V
B. -25.23 V
C. 29.25 V
D. -29.25 V
Answer» C. 29.25 V
Discussion
11.

Consider a circuit having 3 identical Ammeters A1, A2, A3 parallel to one another. The 1st Ammeter is in series with a resistance, the 2nd Ammeter is in series with a capacitor and the circuit is excited by a voltage V. If A1 and A3 read 5 and 13 A respectively, reading of A2 will be?

A. 8 A
B. 13 A
C. 18 A
D. 12 A
Answer» E.
Discussion
12.

In the circuit given below, the phase angle of the current I with respect to the voltage V1 is __________

A. 0°
B. +45°
C. -45°
D. -90°
Answer» E.
Discussion
13.

An infinite ladder is constructed with 1 Ω and 2 Ω resistor shown below. The current I flowing through the circuit is ___________

A. 8.18 A
B. 0 A
C. 9 A
D. 10 A
Answer» D. 10 A
Discussion
14.

The current wave shape is in the form of a square terminating at t = 4sec. The voltage across the element increases linearly till t = 4 sec and then becomes constant. The element is ____________

A. Resistance
B. Inductance
C. Capacitance
D. Semi-conductor
Answer» D. Semi-conductor
Discussion