Explore topic-wise MCQs in Signals Systems.

This section includes 8 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‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•S_IDENTITY_EJ‚ÂÀ√≠‚ÄÖ√†√®_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 ‚âà√≠‚Äö√†√® ‚Äö√Ñ√∂‚àö√ë‚àö¬® j sin ‚âà√≠‚Äö√†√®
Discussion
3.

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

A. <sup>π</sup>⁄<sub>4</sub>
B. <sup>π</sup>⁄<sub>2</sub>
C. <sup>3π</sup>⁄<sub>4</sub>
D. <sup>π</sup>⁄<sub>16</sub>
Answer» B. <sup>‚âà√¨‚àö√ë</sup>‚Äö√Ñ√∂‚àö√ñ‚àö√´<sub>2</sub>
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 = 2‚âà√¨‚àö√ë / 3w
Discussion
7.

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
8.

The general form of real exponential signal is________

A. X (t) = be<sup>at</sup>
B. X (t) = (b+1)e<sup>at</sup>
C. X (t) = b (at)
D. X (t) = be <sup>(a+1)t</sup>
Answer» B. X (t) = (b+1)e<sup>at</sup>
Discussion