Explore topic-wise MCQs in Network Theory.

This section includes 10 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.

A voltmeter has a sensitivity of 1000 /V reads 200 V on its 300 V scale. When connected across an unknown resistor in series with a millimeter, it reads 10 mA. The error due to the loading effect of the voltmeter is

A. 3.33%
B. 6.67%
C. 13.34%
D. 13.67%
Answer» C. 13.34%
2.

A 200 A ammeter has an internal resistance of 200 . The range is to be extended to 500 A. The shunt required is of resistance __________

A. 20.0
B. 22.22
C. 25.0
D. 50.0
Answer» D. 50.0
3.

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

A. 0.01 J
B. 0.05 J
C. 5 X 10<sup>-9</sup> J
D. 10 X 10<sup>-9</sup> J
Answer» C. 5 X 10<sup>-9</sup> J
4.

Consider a circuit having a charge of 600 C, which is delivered to 100 V source in a 1 minute. The value of Voltage source V is ___________

A. 30 V
B. 60 V
C. 120 V
D. 240 V
Answer» E.
5.

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

A. 111 0
B. 111 2.77
C. 111 5.55
D. 111 7.23
Answer» D. 111 7.23
6.

A particular electric current is made up of two components a 10 A, a sine wave of peak value 14.14 A. The average value of electric current is __________

A. 0
B. 24.14 A
C. 10 A
D. 14.14 A
Answer» D. 14.14 A
7.

Consider a circuit having resistance 10 k , excited by voltage 5 V and an ideal switch S. If the switch is repeatedly closed for 2 ms and opened for 2 ms, the average value of i(t) is ____________

A. 0.25 mA
B. 0.35 mA
C. 0.125 mA
D. 1 mA
Answer» D. 1 mA
8.

The linear circuit element among the following is ___________

A. Capacitor
B. Inductor
C. Resistor
D. Inductor &amp; Capacitor
Answer» D. Inductor &amp; Capacitor
9.

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 t<sup>3</sup>
D. 4 t<sup>3</sup>
Answer» E.
10.

A network contains linear resistors and ideal voltage source S. If all the resistors are made twice their initial value, then voltage across each resistor is __________

A. Halved
B. Doubled
C. Increases by 2 times
D. Remains same
Answer» E.