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

This section includes 7 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.

The complete solution of current obtained by substituting the values of c1 and c2 in the following equation is?

A. i = e-37.5t(c1cos1290t + c2sin1290t) + 0.7cos(500t + π/4 + 88.5⁰).
B. i = e-37.5t(0.49cos1290t – 1.3sin1290t) + 0.7cos(500t + 133.5⁰)
C. i = e-37.5t(0.49cos1290t – 1.3sin1290t) – 0.7cos(500t + 133.5⁰)
D. i = e-37.5t(0.49cos1290t + 1.3sin1290t) – 0.7cos(500t + 133.5⁰)
E. i = e-37.5t(0.49cos1290t + 1.3sin1290t) + 0.7cos(500t + 133.5⁰)
Answer» E. i = e-37.5t(0.49cos1290t + 1.3sin1290t) + 0.7cos(500t + 133.5⁰)
2.

The value of the c2 in the following equation is?

A. i = e-37.5t(c1cos1290t + c2sin1290t) + 0.7cos(500t + π/4 + 88.5⁰).
B. 2.3
C. -2.3
D. 1.3
E. -1.3
Answer» D. 1.3
3.

The value of the c1 in the following equation is?

A. i = e-37.5t(c1cos1290t + c2sin1290t) + 0.7cos(500t + π/4 + 88.5⁰).
B. -0.5
C. 0.5
D. 0.6
E. -0.6
Answer» C. 0.5
4.

In the circuit shown below, the switch is closed at t = 0. Applied voltage is v (t) = 400cos (500t + π/4). Resistance R = 15Ω, inductance L = 0.2H and capacitance = 3 µF. Find the complete solution of current.

A. i = e-37.5t(c1cos1290t + c2sin1290t) + 0.7cos(500t + π/4 + 88.5⁰)
B. i = e-37.5t(c1cos1290t + c2sin1290t) + 0.7cos(500t – π/4 + 88.5⁰)
C. i = e-37.5t(c1cos1290t + c2sin1290t) – 0.7cos(500t – π/4 + 88.5⁰)
D. i = e-37.5t(c1cos1290t + c2sin1290t) – 0.7cos(500t + π/4 + 88.5⁰)
Answer» B. i = e-37.5t(c1cos1290t + c2sin1290t) + 0.7cos(500t – π/4 + 88.5⁰)
5.

In the circuit shown below, the switch is closed at t = 0. Applied voltage is v (t) = 400cos (500t + π/4). Resistance R = 15Ω, inductance L = 0.2H and capacitance = 3 µF. Find the particular solution.

A. ip = 0.6cos(500t + π/4 + 88.5⁰)
B. ip = 0.6cos(500t + π/4 + 89.5⁰)
C. ip = 0.7cos(500t + π/4 + 89.5⁰)
D. ip = 0.7cos(500t + π/4 + 88.5⁰)
Answer» E.
6.

In the circuit shown below, the switch is closed at t = 0. Applied voltage is v (t) = 400cos (500t + π/4). Resistance R = 15Ω, inductance L = 0.2H and capacitance = 3 µF. Find the complementary current.

A. ic = e-37.5t(c1cos1290t + c2sin1290t)
B. ic = e-37.5t(c1cos1290t – c2sin1290t)
C. ic = e37.5t(c1cos1290t – c2sin1290t)
D. ic = e37.5t(c1cos1290t + c2sin1290t)
Answer» B. ic = e-37.5t(c1cos1290t – c2sin1290t)
7.

In the circuit shown below, the switch is closed at t = 0. Applied voltage is v (t) = 400cos (500t + π/4). Resistance R = 15Ω, inductance L = 0.2H and capacitance = 3 µF. Find the roots of the characteristic equation.

A. -38.5±j1290
B. 38.5±j1290
C. 37.5±j1290
D. -37.5±j1290
Answer» E.