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 39 of 120

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Q381.
At night the ionosphere can be considered to be consisting of
Discuss
Answer: (d).E and F2 layers
Q382.
A balun transformer gives an impedance transformation of
Discuss
Answer: (a).4 : 1
Discuss
Answer: (c).The characteristic impedance of twin wire cable is more than that of coaxial cable
Q384.
A 1000 kHz carrier wave modulated 40% at 40000 Hz is applied to a resonant circuit tuned to a carrier frequency and having Q = 140. What is the degree of modulator after transmission through the circuit?
Discuss
Answer: (c).0.27
Q385.
The EHT voltage in a picture tube of TV is
Discuss
Answer: (c).about 15 kV
Q386.
Assertion (A): For satellites and space probes, PRF of a radar is pretty low.

Reason (R): PRF of a radar depends on the range of a radar.
Discuss
Answer: (b).Both A and R are correct but R is not correct explanation of A
Q387.
An S/N ratio of 3 expressed in db is
Discuss
Answer: (a).4.8 dB
Q388.
The material used for the magnet of moving coil cone type loudspeaker is
Discuss
Answer: (d).Alnico
Discuss
Answer: (b).625 lines with 2 : 1 interlace
Q390.
The power to the base unit of a cordless telephone is supplied by
Discuss
Answer: (b).AC mains