Signals and Systems MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Signals and Systems, a fundamental topic in the field of Electronics and Communication Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Signals and Systems MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Signals and Systems mcq questions that explore various aspects of Signals and Systems problems. Each MCQ is crafted to challenge your understanding of Signals and Systems principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Electronics and Communication Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Signals and Systems MCQs are your pathway to success in mastering this essential Electronics and Communication Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Signals and Systems. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Signals and Systems knowledge to the test? Let's get started with our carefully curated MCQs!

Signals and Systems MCQs | Page 16 of 48

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Q151.
For the function f(t) = e^(-at), the Laplace transform is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (d).D
Q152.
The Z inverse of the given Z transform is

a.

Unit step

b.

Unit ramp

c.

Unit impulse

d.

Unit parabola

Discuss
Answer: (c).Unit impulse
Q153.
Consider the following two statements :

a.

Both A and R are correct and R is correct explanation of A

b.

Both A and R are correct but R is not correct explanation of A

c.

A is true, R is false

d.

A is false, R is true

Discuss
Answer: (b).Both A and R are correct but R is not correct explanation of A
Q154.
Consider the following two statements :

a.

Both A and R are correct and R is correct explanation of A

b.

Both A and R are correct but R is not correct explanation of A

c.

A is true, R is false

d.

A is false, R is true

Discuss
Answer: (b).Both A and R are correct but R is not correct explanation of A
Q155.
If x(z) is the Z transform of sequence xk, the z transform of sequence (kxk)is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q156.
If Sn is the power associated with each frequency component and S(f) is the sum of all these powers, normalised power spectral density is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q157.
For the signal in the given figure the Fourier transform is 2sinω΀₁, then the Fourier transform of the signal in the given figure

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q158.
Let x(t) ↔ X(jΟ‰) be F.T pair. The Fourier transform of the signal x(5t - 3) in terms of X(jΟ‰) is given as

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q159.
Assertion (A): The Fourier series of the wave shown in the figure does not contain even harmaonics.

Reason (R): If f(t) = - f(t ± T/2) the function is said to have half wave symmetry.

a.

Both A and R are correct and R is correct explanation of A

b.

Both A and R are correct but R is not correct explanation of A

c.

A is true, R is false

d.

A is false, R is true

Discuss
Answer: (b).Both A and R are correct but R is not correct explanation of A
Q160.
The following table gives some time functions and the Laplace transforms. Of these correctly matched pairs are

a.

2 and 4

b.

1 and 4

c.

3 and 4

d.

1 and 2

Discuss
Answer: (a).2 and 4
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