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 21 of 48

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Q201.
The impulse response of discrete time system is x[n] = (4)โฟ โˆช [3 - n], the system is
Discuss
Answer: (d).stable and non-casual
Q202.
If F(s) is the Laplace transform of f(t) then Laplace transform of df(t)/dt =
Discuss
Answer: (b).sFU(s)
Q203.
Assertion (A): L[e^(-at) f(t)] = F(s + a)

Reason (R): In use of Laplace transform method, initial conditions may be neglected.
Discuss
Answer: (b).Both A and R are correct but R is not correct explanation of A
Q204.
An ac sinusoidal wave has an rms value of 10 V. The peak to peak value is
Discuss
Answer: (d).28.28 V
Q205.
A complex wave is 5 + 5 sin ฯ‰t. Its rms value is
Discuss
Answer: (d).6.12 V
Q206.
The energy of constant amplitude complex valued exponential sequence is ...
Discuss
Answer: (b).โˆž
Q207.
The Laplace transform of a vlotage across a capacitor is Vc (s) = 1 / s²+1 . If capacitor is 0.5 F, The current through capacitor at t = 0โบ is
Discuss
Answer: (c).0.5 A
Q208.
Assertion (A): Intergal of a unit step function is a ramp of slope unity.

Reason (R): If f(t) = sin wt, F(s) = 1/(s² + w²)
Discuss
Answer: (c).A is true, R is false
Q209.
If L[f(t)] = 2(s+1)/ s²+2s+5 , then, f(0โบ) and f(โˆž) are given by
Discuss
Answer: (b).2, 0
Q210.
The signal define by the equations u(t - a) = 0 for t < a and u(t - a) = 1 for t โ‰ฅ a is
Discuss
Answer: (b).a shifted unit step function orginating at t = a