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 78 of 120

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Discuss
Answer: (b).does not increase the range of transmitter because propagation is limited by tilt
Q772.
The most frequent users of long distance VLF transmission is
Discuss
Answer: (a).ship communication
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Answer: (a).Beat Frequency Oscillator
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Answer: (a).Single Side Band-Suppressed Carrier
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Answer: (b).all objects from 3.75 m to infinity will appear in focus
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Answer: (c).so that there is less adjacent channel interference
Q777.
Assertion (A): FM requires more bandwidth than AM

Reason (R): Wide band FM is used for broadcast transmissions.
Discuss
Answer: (b).Both A and R are correct but R is not correct explanation of A
Q778.
A frequency doubler has an FM signal input at 13 MHz with a deviation of 5 kHz. The output, frequency for the carrier will be
Discuss
Answer: (d).160 kHz
Q779.
In FSK no synchronous carrier is needed at the receiver
Discuss
Answer: (b).false
Q780.
When the modulating frequency is doubled, the modulation index is halved and the modulating voltage remains constant. The modulation system is
Discuss
Answer: (a).FM