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 75 of 120

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Q741.
At FM demodulator output noise power density
Discuss
Answer: (a).increases with frequency
Discuss
Answer: (b).video frequencies upto 5 MHz are transmitted
Q743.
Line of sight transmission is used in
Discuss
Answer: (d).VHF and UHF
Q744.
A typical value of insertion loss of SAW filter is
Discuss
Answer: (a).15 dB
Discuss
Answer: (c).proportional to the amplitude of the signal and independent of the frequency
Q746.
The noise generated by a resistor depends upon
Discuss
Answer: (b).its resistance value
Q747.
A source has two symbols x1 and x2 with probabilities pi and pr. If a new source with four symbols is generated from the above source, the new symbol probabilities will be (โˆˆ is a number such that 0 < โˆˆ < 1)
Discuss
Answer: (c).(1 - โˆˆ)p1, (1 - โˆˆ) p2, p1, p2
Discuss
Answer: (b).high-frequency parasitics
Q749.
Assertion (A): SSB transmitter is generally smaller than AM transmitter

Reason (R): SSB systems mostly use combined transmitter receiver.
Discuss
Answer: (d).A is wrong but R is correct
Discuss
Answer: (b).vertically polarized