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

This section includes 11 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.

In the circuit given below, the source current is _________

A. 2 A
B. 3 A
C. 0.54 A
D. 1.5 A
Answer» D. 1.5 A
2.

The energy required to charge a 10 μF capacitor to 100 V is ____________

A. 0.01 J
B. 0.05 J
C. 5 X 10-9 J
D. 10 X 10-9 J
Answer» C. 5 X 10-9 J
3.

In the circuit of figure below a charge of 600 C is delivered to 100 V source in a 1 minute. The value of V1 is ___________

A. 30 V
B. 60 V
C. 120 V
D. 240 V
Answer» E.
4.

Given that, R1 = 36 Ω and R2 = 75 Ω, each having tolerance of ±5% are connected in series. The value of resultant resistance is ___________

A. 111 ± 0 Ω
B. 111 ± 2.77 Ω
C. 111 ± 5.55 Ω
D. 111 ± 7.23 Ω
Answer» D. 111 ± 7.23 Ω
5.

In the circuit given below the value of resistance, Req is ___________

A. 10 Ω
B. 11.86 Ω
C. 11.18 Ω
D. 25 Ω
Answer» D. 25 Ω
6.

The switch S is the circuit shown in the figure is ideal. If the switch is repeatedly closed for 1 ms and opened for 1 ms, the average value of i(t) is ____________

A. 0.25 mA
B. 0.35 mA
C. 0.5 mA
D. 1 mA
Answer» B. 0.35 mA
7.

What is the power loss in the 10 Ω resistor in the network shown in the figure below?

A. 15.13 W
B. 11.23 W
C. 16 W
D. 14 W
Answer» B. 11.23 W
8.

For the circuit given below, the driving point impedance is given by, Z(s) = \(\frac{0.2s}{s^2+0.1s+2} \). The component values are _________

A. L = 5 H, R = 0.5 Ω, C = 0.1 F
B. L = 0.1 H, R = 0.5 Ω, C = 5 F
C. L = 5 H, R = 2 Ω, C = 0.1 F
D. L = 0.1 H, R = 2 Ω, C = 5 F
Answer» E.
9.

In the circuit given below, the phasor voltage VAB (in volt) is _________

A. Zero
B. 5∠30°
C. 12.5∠30°
D. 17∠30°
Answer» E.
10.

In the circuit shown, VC is zero at t=0 s. For t>0, the capacitor current IC(t), where t is in second, is ___________

A. 0.50 e-25t mA
B. 0.25 e-25t mA
C. 0.50 e-12.5t mA
D. 0.25 e-6.25t mA
Answer» B. 0.25 e-25t mA
11.

A voltage waveform V(t) = 12t2 is applied across a 1 H inductor for t ≥ 0, with initial electric current through it being zero. The electric current through the inductor for t ≥ 0 is given by __________

A. 12 t
B. 24 t
C. 12 t3
D. 4 t3
Answer» E.