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

This section includes 6 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.

Find the function f (t) in terms of unit step function in the graph shown below.

A. 4t [u (t) – u (t + 5)]
B. 4t [u (t) + u (t + 5)]
C. 4t [u (t) – u (t – 5)]
D. 4t [u (t) + u (t – 5)]
Answer» D. 4t [u (t) + u (t – 5)]
Discussion
2.

In the graph shown below, find the expression f (t).

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

Find the expression of f (t) in the graph shown below.

A. 10t [u (t) – u (t – 1)] – (-10t+20) [u (t-1) – u (t-3)] + (20t – 40) [u (t-3) – u (t-4)]
B. 10t [u (t) – u (t – 1)] – (-10t+20) [u (t-1) – u (t-3)] – (20t – 40) [u (t-3) – u (t-4)]
C. 10t [u (t) – u (t – 1)] + (-10t+20) [u (t-1) – u (t-3)] + (20t – 40) [u (t-3) – u (t-4)]
D. 10t [u (t) – u (t – 1)] + (-10t+20) [u (t-1) – u (t-3)] – (20t – 40) [u (t-3) – u (t-4)]
Answer» D. 10t [u (t) – u (t – 1)] + (-10t+20) [u (t-1) – u (t-3)] – (20t – 40) [u (t-3) – u (t-4)]
Discussion
4.

Find the function f3 (t) from the time t = 3 to 4 sec.

A. (20t – 40) [u (t-3) – u (t-4)]
B. (20t + 40) [u (t-3) – u (t-4)]
C. (20t + 40) [u (t-3) + u (t-4)]
D. (20t – 40) [u (t-3) + u (t-4)]
Answer» B. (20t + 40) [u (t-3) – u (t-4)]
Discussion
5.

Find the function f2 (t) from the time t = 1 to 3 sec.

A. (-10t+20) [u (t-1) +u (t-3)]
B. (-10t+20) [u (t-1) – u (t-3)]
C. (-10t-20) [u (t-1) + u (t-3)]
D. (-10t-20) [u (t-1) – u (t-3)]
Answer» C. (-10t-20) [u (t-1) + u (t-3)]
Discussion
6.

The total period of the function shown in the figure is 4 sec and the amplitude is 10. Find the function f1 (t) from t = 0 to 1 in terms of unit step function.

A. 10t [u (t) – u (t + 1)]
B. 10t [u (t) + u (t – 1)]
C. 10t [u (t) + u (t + 1)]
D. 10t [u (t) – u (t – 1)]
Answer» E.
Discussion