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 58 of 120

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Discuss
Answer: (d).all of the above
Discuss
Answer: (d).1/2 carrier amplitude x modulation index
Q573.
In communication systems the frequency range used for voice is
Discuss
Answer: (d).300 Hz to 3800 Hz
Q574.
As EM waves travel in free space they get
Discuss
Answer: (c).attenuated
Q575.
Cross talk is due to reception of portions of a signal from one channel into another.
Discuss
Answer: (a).True
Q576.
If there are M equally likely and independent messages and M = 2แดบ where N is an integer, the information in each message is equal to
Discuss
Answer: (a).N bits
Q577.
A radar beacon is a small radar set having a receiver, a separate transmitter and an antenna.
Discuss
Answer: (a).True
Q578.
In the above case the total power in the modulated wave double sideband, suppressed carrier AM will be
Discuss
Answer: (b).400 W
Q579.
If the plate supply voltage for a plate modulated class C amplifier is E, the maximum plate cathode voltage could be almost as high as
Discuss
Answer: (c).3 E
Q580.
If the carrier of a 100 percent modulated AM wave is suppressed, the percentage power saving will be
Discuss
Answer: (a).50