Explore topic-wise MCQs in Signals Systems.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Signals Systems knowledge and support exam preparation. Choose a topic below to get started.

1.

Exponentially damped sinusoidal signal is ______

A. Periodic
B. Non periodic
C. Insufficient information
D. Maybe periodic
Answer» C. Insufficient information
Discussion
2.

Euler’s identity ejθ is expanded as _____

A. cos θ + j sin θ
B. cos θ – j sin θ
C. cos θ + j sin 2θ
D. cos⁡ 2θ+j sinθ
Answer» B. cos θ – j sin θ
Discussion
3.

Find the smallest angular frequency for which the discrete time signal with fundamental period N=8 would be periodic?

A. π⁄4
B. π⁄2
C. 3π⁄4
D. π⁄16
Answer» B. π⁄2
Discussion
4.

Check whether x [n] = 7 sin (6πn) is periodic and if it is period calculate its fundamental period?

A. Periodic with fundamental period 6π
B. Periodic with fundamental period 3
C. Periodic with fundamental period 1
D. Non periodic
Answer» D. Non periodic
Discussion
5.

X [n] = 2 cos (2n) is periodic or not?

A. Periodic with period 2n
B. Periodic with period 2π
C. Periodic with period 2
D. Non periodic
Answer» E.
Discussion
6.

The time period of continuous-time sinusoidal signal is given by _____

A. T = 2π / w
B. T = 2π / 3w
C. T = π / w
D. T = π / 2w
Answer» B. T = 2π / 3w
Discussion
7.

In the below figure if R value is increased then which of the following is true?

A. Slower the rate of decay of v (t)
B. Greater the rate of decay of v (t)
C. Decay rate is independent of R
D. Decay rate depends only on the capacitor value
Answer» B. Greater the rate of decay of v (t)
Discussion
8.

In the equation x (t) = beat if a < 0, then it is called ______

A. Growing exponential
B. Decaying exponential
C. Complex exponential
D. Both Growing and Decaying exponential
Answer» C. Complex exponential
Discussion
9.

The general form of real exponential signal is________

A. X (t) = beat
B. X (t) = (b+1)eat
C. X (t) = b (at)
D. X (t) = be (a+1)t
Answer» B. X (t) = (b+1)eat
Discussion