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 12 of 120

Discover more Topics under Electronics and Communication Engineering

Q111.
It is found that in a telephone system 60 subscribers initiate calls during a 30 minute interval and the total duration of all the calls is 100 minutes. The load is
Discuss
Answer: (c).3.333 erlang
Q112.
E and H fields are perpendicular to each other.
Discuss
Answer: (a).True
Q113.
Consider the following:

1. A TV receiver antenna should pick up the TV signal and develop maximum voltage from the available strength of signal
2. It should reject unwanted signals
3. It should not suffer from co-channel interference
4. It should have a very narrowband

The correct statements are
Discuss
Answer: (b).1, 2 and 3 only
Q114.
If transmission bandwidth is doubled in FM, SNR is
Discuss
Answer: (c).decreased four times
Discuss
Answer: (a).maximum directive gain
Q116.
If the oscillator output is modulated by audio frequencies upto 10 kHz, the frequency range occupied by the side bands will be
Discuss
Answer: (b).702 kHz to 722 kHz
Q117.
The power to the portable unit of a cordless telephone is provided by
Discuss
Answer: (c).rechargeable cells
Q118.
In a AM wave the carrier and one of the side bands is suppressed. If m = 0.5, the percentage saving in power is
Discuss
Answer: (c).94.4%
Discuss
Answer: (d).All of the above
Q120.
Assertion (A): A balun is an RF impedance matching transformer.

Reason (R): Sometimes a booster amplifier is used with a TV set.
Discuss
Answer: (b).Both A and R are correct but R is not correct explanation of A