Explore topic-wise MCQs in Network Theory.

This section includes 15 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 inductor in the circuit shown below is?

A. VL = 60(-e-2t)V
B. VL = 60(e2t)V
C. VL = 60(e-2t)V
D. VL = 60(-e2t)V
Answer» D. VL = 60(-e2t)V
Discussion
2.

The expression of voltage across resistor in the circuit shown below is?

A. VR = 60(1+e2t)V
B. VR = 60(1-e-2t)V
C. VR = 60(1-e2t)V
D. VR = 60(1+e-2t)V
Answer» C. VR = 60(1-e2t)V
Discussion
3.

The expression of current from the circuit shown below is?

A. i=2(1-e-2t)A
B. i=2(1+e-2t)A
C. i=2(1+e2t)A
D. i=2(1+e2t)A
Answer» B. i=2(1+e-2t)A
Discussion
4.

The expression of current obtained from the circuit in terms of differentiation from the circuit shown below?

A. di/dt+i=4
B. di/dt+2i=0
C. di/dt+2i=4
D. di/dt-2i=4
Answer» D. di/dt-2i=4
Discussion
5.

A series R-L circuit with R = 30Ω and L = 15H has a constant voltage V = 60V applied at t = 0 as shown in the figure. Determine the current (A) in the circuit at t = 0+.

A. in the circuit at t = 0+.a) 1
B. 2
C. 3
D. 0
Answer» E.
Discussion
6.

The expression of current in R-L circuit is?

A. i=(V/R)(1+exp⁡((R/L)t))
B. i=-(V/R)(1-exp⁡((R/L)t))
C. i=-(V/R)(1+exp⁡((R/L)t))
D. i=(V/R)(1-exp⁡((R/L)t))
Answer» E.
Discussion
7.

THE_EXPRESSION_OF_VOLTAGE_ACROSS_RESISTOR_IN_THE_CIRCUIT_SHOWN_IN_THE_QUESTION_6_IS??$

A. V<sub>R</sub> =60(1+e<sup>2t</sup>)V
B. V<sub>R</sub> =60(1-e<sup>-2t</sup>)V
C. V<sub>R</sub> =60(1-e<sup>2t</sup>)V
D. V<sub>R</sub> =60(1+e<sup>-2t</sup>)V
Answer» C. V<sub>R</sub> =60(1-e<sup>2t</sup>)V
Discussion
8.

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

A. V<sub>L</sub> =60(-e<sup>-2t</sup>)V
B. V<sub>L</sub> =60(e<sup>2t</sup>)V
C. V<sub>L</sub> =60(e<sup>-2t</sup>)V
D. V<sub>L</sub> =60(-e<sup>2t</sup>)V
Answer» D. V<sub>L</sub> =60(-e<sup>2t</sup>)V
Discussion
9.

The expression of current from the circuit shown in the question 6 is?

A. i=2(1-e<sup>-2t</sup>)A
B. i=2(1+e<sup>-2t</sup>)A
C. i=2(1+e<sup>2t</sup>)A
D. i=2(1+e<sup>2t</sup>)A
Answer» B. i=2(1+e<sup>-2t</sup>)A
Discussion
10.

The expression of current obtained from the circuit in terms of differentiation from the circuit shown in the question 6?

A. di/dt+i=4
B. di/dt+2i=0
C. di/dt+2i=4
D. di/dt-2i=4
Answer» D. di/dt-2i=4
Discussion
11.

After how many time constants, the transient part reaches more than 99 percent of its final value?

A. 2
B. 3
C. 4
D. 5
Answer» E.
Discussion
12.

The value of the time constant in the R-L circuit is?

A. L/R
B. R/L
C. R
D. L
Answer» B. R/L
Discussion
13.

In the expression of current in the R-L circuit the transient part is?

A. R/V
B. (V/R)(-exp‚Å°((R/L)t))
C. (V/R)(exp‚Å°((R/L)t))
D. V/R
Answer» C. (V/R)(exp‚Äö√Ñ√∂‚àö√ñ¬¨‚àû((R/L)t))
Discussion
14.

The steady state part in the expression of current in the R-L circuit is?

A. (V/R)(exp‚Å°((R/L)t))
B. (V/R)(-exp‚Å°((R/L)t))
C. V/R
D. R/V
Answer» D. R/V
Discussion
15.

The expression of current in R- L circuit is?

A. i=(V/R)(1+exp‚Å°((R/L)t))
B. i=-(V/R)(1-exp‚Å°((R/L)t))
C. i=-(V/R)(1+exp‚Å°((R/L)t))
D. i=(V/R)(1-exp‚Å°((R/L)t))
Answer» E.
Discussion