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

This section includes 9 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.

Two resistances 100 ± 5Ω and 150 ± 15Ω are connected in series. If the error is specified as standard deviations, the resultant error will be ________________

A. ±10 Ω
B. ±10.6 Ω
C. ±15.8 Ω
D. ±20 Ω
Answer» D. ±20 Ω
Discussion
2.

For the circuit given below, the value of input frequency which is required to cause a gain equal to 1.5 is _____________

A. 20 rad/s
B. 20 Hz
C. 10 rad/s
D. No such value exists
Answer» E.
Discussion
3.

A series RLC circuit has R = 10 Ω, |XL| = 20 Ω and |XC| = 20 Ω is connected across an AC supply of 200 Vrms. The RMS voltage across the capacitor is ____________

A. 200∠-90° V
B. 200∠90° V
C. 400∠90° V
D. 400∠-90° V
Answer» E.
Discussion
4.

A parallel resonant circuit has a midband admittance of 20×10-3 S, quality factor of 60 and a resonance frequency of 200 k rad/s. The value of R is _____________

A. 50 Ω
B. 56.57 Ω
C. 80 Ω
D. 28.28 Ω
Answer» B. 56.57 Ω
Discussion
5.

In the circuit shown below, I1 = 4 sin2t A and I2 = 0. The value of V2 is _______________

A. 2 cos2t V
B. -2 cos2t V
C. 8 cos 2t V
D. -8 cos2t V
Answer» D. -8 cos2t V
Discussion
6.

In the circuit shown below, I1 = 4 sin2t A and I2 = 0. The value of V1 is _______________

A. -16 cos2t V
B. 16 cos2t V
C. 4 cos2t V
D. -4 cos2t V
Answer» C. 4 cos2t V
Discussion
7.

The maximum value of mutual inductance of 2 inductively coupled coils with self inductance LA = 49 mH and LB = 81 mH is ______________

A. 130 mH
B. 63 mH
C. 32 mH
D. 3969 mH
Answer» C. 32 mH
Discussion
8.

For 2 coupled inductors LA and LB, their mutual inductance MLALB satisfies ____________

A. MLALB = \(\sqrt{L_A^2 + L_B^2}\)
B. MLALB > \(\frac{(L_A + L_B)}{2}\)
C. MLALB > \(\sqrt{L_A L_B}\)
D. MLALB ≤ \(\sqrt{L_A L_B}\)
Answer» E.
Discussion
9.

For the circuit given below, the effective inductance of the circuit across the terminal AB is ___________

A. 9 H
B. 21 H
C. 11 H
D. 6 H
Answer» D. 6 H
Discussion