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.

N(t) = 2, 0 t<4;
t2, t 4;

A. nThe Laplace transform of M (t) is ___________
B. ( frac{2}{s} e^{-4s} ( frac{2}{s^3} frac{8}{s^2} frac{14}{s}) )
C. ( frac{2}{s} + e^{-4s} ( frac{2}{s^3} frac{8}{s^2} frac{14}{s}) )
D. ( frac{2}{s} e^{-4s} ( frac{2}{s^3} + frac{8}{s^2} + frac{14}{s}) )
E. ( frac{2}{s} + e^{-4s} ( frac{2}{s^3} + frac{8}{s^2} + frac{14}{s}) )
Answer» E. ( frac{2}{s} + e^{-4s} ( frac{2}{s^3} + frac{8}{s^2} + frac{14}{s}) )
Discussion
2.

The function which has its Fourier transform, Laplace transform, and Z transform unity is __________

A. Gaussian
B. Impulse
C. Sinc
D. Pulse
Answer» C. Sinc
Discussion
3.

The property of Fourier Transform which states that the compression in time domain is equivalent to expansion in the frequency domain is ___________

A. Duality
B. Scaling
C. Time scaling
D. Frequency shifting
Answer» C. Time scaling
Discussion
4.

The Fourier transform of a rectangular function is ___________

A. Another rectangular pulse
B. Triangular pulse
C. Sinc function
D. Impulse
Answer» D. Impulse
Discussion
5.

Convolution is used to find ____________

A. Impulse of an LTI system
B. Frequency response of an LTI system
C. Time response of an LTI system
D. Phase response of an LTI system
Answer» D. Phase response of an LTI system
Discussion
6.

The probability cumulative distribution function must be monotone as well as ___________

A. Increasing
B. Decreasing
C. Non-increasing
D. Non-decreasing
Answer» E.
Discussion
7.

Q meter operator is the principle of __________

A. Series resonance
B. Current resonance
C. Self-inductance
D. Eddy currents
Answer» B. Current resonance
Discussion
8.

Given x (t) = [2 + e-3t] u (t). The final value of x(t) is ___________

A. 2
B. 3
C. e<sup>-3t</sup>
D. 0
Answer» B. 3
Discussion