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 36 of 120

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Discuss
Answer: (a).bandwidth of frequencies having output with in ± 1 dB of the output at 1000 Hz
Q352.
Graphic equaliser system in stereophonic systems generally have
Discuss
Answer: (a).3 or 4 bands
Q353.
An amplifier operating over a frequency range of 18 to 20 MHz has 10 kฮฉ input resistance. At a temperature of 27° C, the noise voltage at input of amplifier is (Boltzman constant k = 1.38 x 10โ€พ²³ J/K)
Discuss
Answer: (a).18.2 ฮผV
Q354.
Some sources of TV programs are

1. TV camera
2. Telecine
3. VTR
4. External signal

Which of the above are actually present in a TV studio?
Discuss
Answer: (a).1, 2, 3 and 4
Discuss
Answer: (b).optical recording and retrieval
Q356.
A carrier is phase modulated (PM) with frequency deviation of 10 kHz by a single tone frequency of 1 kHz. If the single tone frequency is increased to 2 kHz, assuming that phase deviation remains unchanged, the bandwidth of the PM signal is
Discuss
Answer: (d).44 kHz
Q357.
In a communication receiver, a squelch circuit is normally inserted
Discuss
Answer: (b).after detector
Discuss
Answer: (d).in presence or absence of pulse
Q359.
In PCM the amplitude levels are transmitted in a 7 unit code. Sampling frequency is 10 kHz. The bandwidth should be
Discuss
Answer: (b).35 kHz
Discuss
Answer: (d).modified R - Y and B - Y