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 47 of 48

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Q461.
An impulse train is

a.

a number of pulses

b.

a number of pulses spaced from each other

c.

a number of pulses all originating together

d.

none of the above

Discuss
Answer: (b).a number of pulses spaced from each other
Q462.
For formation of state equations, the inductors and current sources

a.

should be in tree

b.

should be in cotree

c.

may be in tree or cotree

d.

should be in both tree and cotree

Discuss
Answer: (b).should be in cotree
Q463.
If f(t) = 1, F(jω) =

a.

2π

b.

π

c.

2πδ (π)

d.

πδ (ω)

Discuss
Answer: (c).2πδ (π)
Q464.
The power in the signal s(t) = 8 cos (20 π - π/2) + 4 sin (15 πt) is

a.

40

b.

41

c.

42

d.

82

Discuss
Answer: (a).40
Q465.
If f(t) ↔ F(jω), f(- t) ↔

a.

- F(jω)

b.

F(- jω)

c.

F(jω)

d.

0.5 F(jω)

Discuss
Answer: (b).F(- jω)
Q466.
Assertion (A): Transient analysis uses Laplace transformation.

Reason (R): Laplace transform method is suitable for solution of integro differential equations.

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: (a).Both A and R are correct and R is correct explanation of A
Q467.
The minor Mij of an n x n matrix is the determinant of (n - 1) x (n - 1) matrix formed by deleting the ith row and j the column of n x n matrix.

a.

True

b.

False

c.

May be True or False

d.

can't say

Discuss
Answer: (a).True
Q468.
If f(t) and F(jω) form a transform pair, then as per symmetry in Fourier transforms

a.

F(jt) ↔ 2pf (- ω)

b.

F(jt) ↔ πf (ω)

c.

F(jt) ↔ πf (ω)/2

d.

F(jt) ↔ πf (-ω)/2

Discuss
Answer: (b).F(jt) ↔ 2πf (- ω)
Q469.
The theoretical power of white noise is

a.

zero

b.

finite

c.

depend upon frequency of signal

d.

infninite

Discuss
Answer: (c).depend upon frequency of signal
Q470.
To plot frequency spectrum we draw two graphs viz |Fn| versus frequency and φn versus frequency.

a.

True

b.

False

c.

May be True or False

d.

can't say

Discuss
Answer: (a).True
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