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 12 of 48

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Q111.
Average power for following signal is

a.

0

b.

โˆž

c.

1

d.

1/2

Discuss
Answer: (d).1/2
Q112.
Which is the Laplace transform of x(t) = -e^(2t) โˆช(t) โŠ• t โˆช(t)?

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q113.
For a signal x(t) the F.T. is X(f). Then inverse F.T of X(3f + 2) is given by

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q114.
An experiment is repeated N times. One event A occurs Nแด€ times. Then

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q115.
If f(t) is an even function, F(jฯ‰) =

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q116.
If Laplace transform of f(t) is F(s), then £[tf(t)] =

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q117.
The minimum sampling frequency in sample/sec. required to reconstruct the following signal from its samples without distortion would be

a.

2 x 10³

b.

4 x 10³

c.

6 x 10³

d.

8 x 10³

Discuss
Answer: (c).6 x 10³
Q118.
The function shown in the given Figure can be written as

a.

sum of two sinusoidal functions

b.

sum of two sinusoidal functions one originating at t = 0 and the other at t = 1

c.

difference of two sinusoidal functions one originating at t = 0 and the other at t = 1

d.

none of the above

Discuss
Answer: (d).none of the above
Q119.
In a network V(s) = Z(s) I(s) where V(s), Z(s) and I(s) are Laplace transforms of v(t), z(t) and i(t). The voltage v(t) is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q120.
As per normal distribution the probability of an error between limits a and b is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
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