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 94 of 120

Discover more Topics under Electronics and Communication Engineering

Q931.
For a resistance of about 15 kฮฉ operating in a frequency range of a few MHz, the noise voltage is in the range of
Discuss
Answer: (c).a few ฮผV
Q932.
In a 50 cm TV tube, a path difference of 2 km between direct wave and interfering wave would mean a displacement between main image and ghost image equal to
Discuss
Answer: (a).0.3 cm
Q933.
In a colour TV receiver, the sound intercarrier IF is generated in
Discuss
Answer: (a).video detector
Q934.
Consider the following types of distortions in diode detectors

1. Distortion is caused due to the reason that dc and ac load impedances are unequal
2. Distortion is caused because ac load impedance has a reactive component at high audio frequencies
3. Audio frequency diode current is less than dc current

Which of the above are true?
Discuss
Answer: (b).1 and 2
Q935.
Satellites used for international communication are called
Discuss
Answer: (d).intelsat
Q936.
In a phase discriminator fc, is the IF to which primary circuit is tuned. Consider the following statements:
The primary and secondary voltages are

1. exactly 90° out of phase when input frequency is fc
2. more than 90° out of phase when input frequency is higher than fc
3. less than 90° out of phase when input frequency is lower than fc

Which of the above statements is correct?
Discuss
Answer: (a).1 only
Q937.
Electronic tubes used for transmitter differ from their counterparts in the receivers in respect that
Discuss
Answer: (d).none of the above
Q938.
A plot of modulation index vs carrier amplitude yields a
Discuss
Answer: (d).hyperbola
Q939.
On modulating a carrier of frequency fc by an audio signal fs, the following components has resulted:

fc, fc + fs and fc - fs

What is this type of modulation likely to be?
Discuss
Answer: (a).Amplitude modulation (DSB)
Q940.
Strength of space wave is not dependent on distance.
Discuss
Answer: (a).True