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 42 of 48

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Q411.
Consider the following statements

1. If ensemble and time averages of a random process are identical, the process is ergodic.
2. If ensemble and time average of a random process are not identical, the process is ergodic.
3. An ergodic process is stationary.
4. A stationary process is necessarily ergodic.

Which of the above statements are correct?
Discuss
Answer: (b).1 and 3 only
Discuss
Answer: (a).adj (sI - A)/det (sI - A)
Q413.
For a Gaussian process, auto-correlation sequence also implies that
Discuss
Answer: (b).statistical dependence
Q414.
Which one of the following is correct? Energy of a power signal is
Discuss
Answer: (c).infinite
Discuss
Answer: (d).all
Q416.
For matrix A, A¯¹ A = 1
Discuss
Answer: (a).True
Q417.
If xk = 2^k for k โ‰ค 0 and = 0 for k > 0 X(z) = 2/(2 - z).
Discuss
Answer: (a).True
Discuss
Answer: (d).two graphs viz |Fn| versus frequency and the phase angle of Fn versus frequency are plotted
Q419.
Assertion (A): Transient periods are of short duration but can result in dangerously high voltages and currents.

Reason (R): Circuit equations in transient analysis are integral differential equations.
Discuss
Answer: (b).Both A and R are correct but R is not correct explanation of A
Q420.
Assertion (A): The function ke^(st) with both ฯƒ and ฯ‰ positive and s > 0 depicts a sinusoid whose amplitude increases with time.

Reason (R): If ฯƒ = 0, ke^(st) becomes a sinusoid.
Discuss
Answer: (b).Both A and R are correct but R is not correct explanation of A