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 26 of 48

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Q251.
If f1 (t) and f2 (f) are two functions of time and a and b are constants, then
Discuss
Answer: (a).L [af1(t) + bf2(t)] = aF1(s) + bF2(s)
Q252.
The z transform of x(n) = โˆช(n)
Discuss
Answer: (a).z / (z-1)
Q253.
Fourier transform of f(t) =
Discuss
Answer: (a).jฯ‰ F(f)
Q254.
In the state equation x = AX + Bu is a n x m matrix.
Discuss
Answer: (b).False
Q255.
If f(x) = x/2 , 0 < x < 3 = 0 otherwise find E(X)
Discuss
Answer: (a).27/6
Q256.
If x[n] = cos[n/2], then the sequence x[n] is
Discuss
Answer: (b).non-perodic
Q257.
A 1 kHz sinusoidal signal is ideally sampled at 1500 samples/sec and the sampled signal is passed through an ideal low pass filter with cut off frequency 800 Hz. The output signal has the frequency.
Discuss
Answer: (c).0.5 kHz
Q258.
If autocorrelation sequence is Rc(n) = {1,2,3,4,6,8} then what will be energy of sequence?
Discuss
Answer: (c).3
Discuss
Answer: (c).an impulse function originating at t = b
Q260.
An ac network has a power factor of 0.8 lagging for fundamental frequency. If the applied voltage contains thrid and fifth harmonics, the overall power factor will be
Discuss
Answer: (c).less than 0.8 lagging