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 31 of 120

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Q301.
Which of the following amplifiers has a voltage gain of less than 1?
Discuss
Answer: (b).CC
Q302.
Some possible disadvantages of high level modulation in TV transmitters are

1. Video monitor has to supply high video voltages upto several hundred volts into highly capacitive loads drawing high current at video frequencies
2. The grid modulated stage presents a varying load to its driver
3. The linearity and high video driving power present design problems

Out of above which are true?
Discuss
Answer: (c).1, 2 and 3
Q303.
Beam width of an antenna is expressed in
Discuss
Answer: (b).degrees
Q304.
In broadcast television, the number of lines per frame is chosen to be odd number to
Discuss
Answer: (d).make interlacing easier
Q305.
In a picture tube, the video signal is applied to
Discuss
Answer: (a).cathode
Q306.
If frames are repeated at 60 Hz and each frame has 525 lines, the time for scanning one horizontal line (for progressive scanning and no interlacing) is about
Discuss
Answer: (b).32 ฮผs
Q307.
The name modem is a contraction of terms modulator demodulator.
Discuss
Answer: (a).True
Discuss
Answer: (a).halves the bandwidth required for transmission
Discuss
Answer: (a).amplitude modulation
Q310.
A TV receiver has 20 kV EHT supply and total beam current (for 3 electron guns) of 1500 ฮผA. The power handled by IHVT is
Discuss
Answer: (b).30 W