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 20 of 48

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Q191.
The F.T. of a conjugate symmetric function is always
Discuss
Answer: (b).real
Q192.
Which one is time invariant system?
Discuss
Answer: (b).y[n] = x[n] x[n - 1]
Q193.
The Fourier series representation of a periodic current (2 + 6โˆš2 cos ฯ‰t +โˆš48 sin 2ฯ‰t) A. The effective value is
Discuss
Answer: (b).8 A
Q194.
If X(z) = z+z¯³ / z+z¯¹, then x(n) series has
Discuss
Answer: (a).alternates 0
Discuss
Answer: (c).XL = 0 and XC = โˆž
Q196.
An ac circuit has an impedance of (2 - j 9) ฮฉ for third harmonic. The impedance for fundamental is
Discuss
Answer: (c).2 - j 27 ฮฉ
Q197.
The ROC of sequence x[n] = (0.8)โฟ โˆช[n] + (0.4)โฟ โˆช[n]
Discuss
Answer: (a).|z| > 0.8
Discuss
Answer: (d).chebyshev inequality
Q199.
Assertion (A): L[af1(t) + bf2(t)] = aF1(s) - bF2(s)

Reason (R): Initial value theroem enables us to find the value of f(t) at t = 0 directly from F(s)
Discuss
Answer: (d).A is false, R is true
Q200.
The Laplace transform of impulse ฮด(t) is
Discuss
Answer: (a).1