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.

Determine the voltage across the capacitor in the circuit shown below is?

A. VC = 60(1-e-t)V
B. VC = 60(1+et)V
C. VC = 60(1-et)V
D. VC = 60(1+e-t)V
Answer» B. VC = 60(1+et)V
Discussion
2.

The current equation in the circuit shown below is?

A. i=2(e-2t)A
B. i=2(e2t)A
C. i=2(-e-2t)A
D. i=2(-e2t)A
Answer» B. i=2(e2t)A
Discussion
3.

After how many time constants, the transient part reaches more than 99 percent of its final value?a) 2b) 3c) 4d) 5 6.A series R-C circuit consists of resistor of 10 and capacitor of 0.1F as shown in the figure. A constant voltage of 20V is applied to the circuit at t = 0. What is the current in the circuit at t = 0?

A. 2b) 3c) 4d) 5 6.A series R-C circuit consists of resistor of 10 and capacitor of 0.1F as shown in the figure. A constant voltage of 20V is applied to the circuit at t = 0. What is the current in the circuit at t = 0?a) 1
B. 3c) 4d) 5 6.A series R-C circuit consists of resistor of 10 and capacitor of 0.1F as shown in the figure. A constant voltage of 20V is applied to the circuit at t = 0. What is the current in the circuit at t = 0?a) 1b) 2
C. 4d) 5 6.A series R-C circuit consists of resistor of 10 and capacitor of 0.1F as shown in the figure. A constant voltage of 20V is applied to the circuit at t = 0. What is the current in the circuit at t = 0?a) 1b) 2c) 3
D. 5 6.A series R-C circuit consists of resistor of 10 and capacitor of 0.1F as shown in the figure. A constant voltage of 20V is applied to the circuit at t = 0. What is the current in the circuit at t = 0?a) 1b) 2c) 3d) 4View Answer
Answer» E.
Discussion
4.

The expression of current in R-C circuit is?

A. i=(V/R)exp⁡(t/RC)
B. i=(V/R)exp⁡(-t/RC)
C. i=(V/R)-exp(⁡t/RC)
D. i=(V/R)-exp⁡(-t/RC)
Answer» C. i=(V/R)-exp(⁡t/RC)
Discussion
5.

Determine the voltage across the capacitor in the circuit shown in the question 6 is?$

A. V<sub>C</sub> =60(1-e<sup>-t</sup> )V
B. V<sub>C</sub> =60(1+e<sup>t</sup> )V
C. V<sub>C</sub> =60(1-e<sup>t</sup> )V
D. V<sub>C</sub> =60(1+e<sup>-t</sup> )V
Answer» B. V<sub>C</sub> =60(1+e<sup>t</sup> )V
Discussion
6.

The current equation in the circuit shown in the question 6 is?

A. i=2(e<sup>-2t</sup>)A
B. i=2(e<sup>2t</sup>)A
C. i=2(-e<sup>-2t</sup>)A
D. i=2(-e<sup>2t</sup>)A
Answer» B. i=2(e<sup>2t</sup>)A
Discussion
7.

The time constant of an R-C circuit is?

A. RC
B. R/C
C. R
D. C
Answer» B. R/C
Discussion
8.

In an R-C circuit, when the switch is closed, the response ____________

A. do not vary with time
B. decays with time
C. rises with time
D. first increases and then decreases
Answer» C. rises with time
Discussion
9.

The expression of current in R- C circuit is?

A. i=(V/R)exp‚Å°(t/RC )
B. i=(V/R)exp‚Å°(-t/RC )
C. i=(V/R)-exp(‚Å°t/RC )
D. i=(V/R)-exp‚Å°(-t/RC )
Answer» C. i=(V/R)-exp(‚Äö√Ñ√∂‚àö√ñ¬¨‚àût/RC )
Discussion
10.

The current in the R-L circuit at a time t = 0+ is?

A. V/R
B. R/V
C. V
D. R
Answer» B. R/V
Discussion