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 95 of 120

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Discuss
Answer: (c).Transmitter circuits must be more stable, given better reception
Q942.
A signal m(t) = 5 cos 2ฯ€ 100 t frequency modulates a carrier. The resulting FM signal is

10 cos {(2ฯ€10โต t) + 15 sin (2ฯ€ 100 t)}

The approximate bandwidth of the FM would be
Discuss
Answer: (d).100 kHz
Q943.
Some possible functions of AGC in a TV receiver are

1. To increase gain for weak signals
2. To decrease gain for strong signals
3. To change the contrast when we switch from one channel to other
4. To reduce flutter

Which of the above are correct?
Discuss
Answer: (b).1, 2, 4
Q944.
The satellites used for intercontinental communication are called
Discuss
Answer: (d).Intelsat
Discuss
Answer: (d).for the shallow shore ends of cable.
Discuss
Answer: (d).directly proportional to the peak amplitude of the modulating signal
Q947.
Good frequency stability can be available
Discuss
Answer: (a).crystal oscillators
Q948.
Assertion (A): The unit of telephone traffic measurement is erlang.

Reason (R): International circuits for communication are fitted with echo suppressors.
Discuss
Answer: (b).Both A and R are correct but R is not correct explanation of A
Discuss
Answer: (d).blue, red and green
Q950.
The most commonly used system of modulating for telegraphy is
Discuss
Answer: (c).frequency shift keying