Explore topic-wise MCQs in Network Theory.

This section includes 7 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 a series RLC circuit having resistance R = 2 , and excited by voltage V = 1 V, the average power is 250 mW. The phase angle between voltage and current is ___________

A. 75
B. 60
C. 15
D. 45
Answer» E.
Discussion
2.

Three inductors each 30 mH are connected in delta. The value of inductance or each arm of equivalent star is _____________

A. 10 mH
B. 15 mH
C. 30 mH
D. 90 mH
Answer» B. 15 mH
Discussion
3.

A circuit consists of an excitation voltage VS, a resistor network and a resistor R. For different values of R, the values of V and I are as given, R = , V = 5 volt; R = 0, I = 2.5 A; when R = 3 , the value of V is __________

A. 1 V
B. 2 V
C. 3 V
D. 5 V
Answer» D. 5 V
Discussion
4.

For a series RLC circuit excited by a unit step voltage, Vc is __________

A. 1 e<sup>-t/RC</sup>
B. e<sup>-t/RC</sup>
C. e<sup>t/RC</sup>
D. 1
Answer» B. e<sup>-t/RC</sup>
Discussion
5.

A waveform is of the form of a trapezium, which increases linearly with the linear slope till = ( frac{ }{3} ), constant till = ( frac{ }{2} ) and again linearly decreases to 0 till = . The average value of this waveform is ______________

A. 2 V
B. 0 V
C. 4 V
D. 3 V
Answer» E.
Discussion
6.

Consider a series RLC circuit having resistance = 1 , capacitance = 1 F, considering that the capacitor gets charged to 10 V. At t = 0 the switch is closed so that i = e-2t. When i = 0.37 A, the voltage across capacitor is _____________

A. 1 V
B. 6.7 V
C. 0.37 V
D. 0.185 V
Answer» C. 0.37 V
Discussion
7.

In a parallel RL circuit, 12 A current enters into the resistor R and 16 A current enters into the Inductor L. The total current I the sinusoidal source is ___________

A. 25 A
B. 4 A
C. 20 A
D. Cannot be determined
Answer» D. Cannot be determined
Discussion