Communication Systems MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Communication 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 Communication 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 Communication Systems mcq questions that explore various aspects of Communication Systems problems. Each MCQ is crafted to challenge your understanding of Communication 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 Communication 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 Communication 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 Communication Systems knowledge to the test? Let's get started with our carefully curated MCQs!

Communication Systems MCQs | Page 57 of 120

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Q561.
The smallest change in sound intensity that can be detected by human ear is __________ dB.
Discuss
Answer: (b).3
Discuss
Answer: (a).attenuating the frequencies from 0 to 1.25 MHz
Q563.
An MTI compares a set of received echos with those received during the previous sweep.
Discuss
Answer: (a).True
Q564.
If e = 10 sin(10โธ t + 3 sin 10โด t) then the deviation is
Discuss
Answer: (b).47.7 kHz
Q565.
When a complex signals is used to frequency modulate a carrier, the resulting sideband distribution is
Discuss
Answer: (a).symmetrical about the carrier
Q566.
The output VR of the ratio detector is related with the output VF of similar Foster-Seeley discriminator as follows.
Discuss
Answer: (c).VR = 2VF
Discuss
Answer: (d).is small as compared to that for plate modulation
Discuss
Answer: (d).the noise component of a modulated signal is decreased
Discuss
Answer: (c).Quadrature Amplitude Modulation
Discuss
Answer: (c).twice the frequency of modulating signal