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 103 of 120

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Discuss
Answer: (d).video signals are amplitude modulated and audio signals are frequency modulated
Discuss
Answer: (b).monostable multi-vibrator
Q1023.
Which SNR denotes excellent picture quality in TV?
Discuss
Answer: (a).50 dB
Discuss
Answer: (b).the modulating frequency lies in the audio range
Q1025.
At f = 7 GHz, a 120 cm dish antenna gives a gain of about
Discuss
Answer: (d).50000
Q1026.
PIL colour picture tube has the main advantage that
Discuss
Answer: (c).it is self convergent
Q1027.
What is the frequency of the modulated carrier wave?
Discuss
Answer: (d).2000 kHz
Q1028.
In high power AM transmission, modulation is done at
Discuss
Answer: (d).oscillator stage
Q1029.
The noise sources shot noise, partition noise and thermal noise are associated with which component
Discuss
Answer: (a).BJT
Q1030.
Consider the following statements as regards communication receiver

1. Variable sensitivity is used to eliminate selective fading
2. A product demodulator can be used to receive Morse code
3. The noise limiter cuts off receiver output during a noise pulse
4. Double conversion is used to improve image rejection

Which of the above statements are correct?
Discuss
Answer: (c).2, 3, 4