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 28 of 48

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Discuss
Answer: (c).a ramp function of slope 1
Q272.
Highest value of autocorrelation function 100 sin 50 ฯ€t is
Discuss
Answer: (b).zero
Q273.
A unit impulse voltage is applied to an inductance at t = 0. The current at t = 0 will be
Discuss
Answer: (d).I/L amperes
Q274.
A voltage wave containing 10% third harmonic is applied to a scries R-L circuit. The percentage third harmonic content in the current wave will be
Discuss
Answer: (c).less than 10%
Q275.
A rectangular pulse is passed through an L.P.F. The response is a
Discuss
Answer: (a).triangular
Q276.
A signal f(t) = cos 10ฯ€t + 3 cos 4ฯ€t is instantaneously sampled. The maximum allowable value of sampling interval Ts in sec is
Discuss
Answer: (d).1 / 10 sec
Q277.
If f(t) is in volts, then F(jฯ‰) is in
Discuss
Answer: (b).volt seconds
Q278.
A voltage V(t) which is a Gaussian ergodic random process with a mean of zero and a variance of 4 volt² is measured by a true rms meter. The reading will be

a.

0

b.

4

c.

2

d.

16

Discuss
Answer: (c).2
Q279.
Assertion (A): If I(s) = 2s+10 / s(s+2) , the final value of i(t) = 10

Reason (R): If I(s) = 2s+10 / s(s+2) , the initial value i(t) = 2
Discuss
Answer: (d).A is false, R is true
Q280.
An ac circuit has an impedance of (3 + j6) ohm for fundamental. The impedance for fifth harmonic is
Discuss
Answer: (c).(3 + j 30) ฮฉ