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 115 of 120

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Answer: (a).a fundamental sine wave and odd harmonics
Q1142.
The characteristic impedance of a twin wire feeder used for TV signals is about
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Answer: (c).300 ohm
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Answer: (c).eliminates any change in amplitude of received FM signals
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Answer: (b).a high gain D.C. amplifier
Q1145.
Leak type bias is used in plate modulated class C amplifier to
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Answer: (c).prevent excessive grid current
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Answer: (b).anticlockwise
Q1147.
Which of the following is not considered as a useful quantity in comparing noise performance of receivers?
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Answer: (d).Input noise voltage
Q1148.
Oscillator crystal is made of
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Answer: (d).quartz
Q1149.
An FM signal has modulating frequency fm and maximum frequency deviation of ฮด. The bandwidth will be nearly equal to
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Answer: (b).2 ฮด
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Answer: (b).reason at (a) above and due to reflections from ground only