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 94 of 120

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Q931.
While AM has __________ frequencies, FM has __________ number of sidebands.
Discuss
Answer: (d).3, infinite
Q932.
In VHS format diameter of head drum is about
Discuss
Answer: (c).6 cm
Discuss
Answer: (b).RF amplifier, mixer, IF amplifier, limiter, discriminator, audio amplifier
Q934.
A wave is frequency modulated with an index of 0.1 and its frequency is multiplied by 8 times, the modulation index is
Discuss
Answer: (a).not changed
Discuss
Answer: (b).O.C stubs are liable to radiate
Q936.
Assertion (A): In FM all power amplifiers can be operated in class C

Reason (R): FM is a constant amplitude modulation system.
Discuss
Answer: (a).Both A and R are correct and R is correct explanation of A
Q937.
In radar system which of the following is called A scope
Discuss
Answer: (a).deflection modulation of CRT
Q938.
In a CD the channel separation is
Discuss
Answer: (b).1.6 ฮผm
Q939.
The unit for luminous energy is
Discuss
Answer: (c).lumen-sec
Q940.
The IF bandwidth of a radar receiver is inversely proportional to
Discuss
Answer: (b).pulse width