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 18 of 120

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Q171.
Television transmission is by
Discuss
Answer: (c).space waves
Q172.
In the television system in India, the aspect ratio is
Discuss
Answer: (a).4 : 3
Q173.
In high power radars, which of the following are used for switching?
Discuss
Answer: (d).Thyristor
Discuss
Answer: (b).LED in transmitter and photodiode in receiver
Q175.
In the FM wave described by equation v = 15 sin (4 x 10โธ t + 3 sin 1100 t), the carrier frequency and signal frequency respectively are
Discuss
Answer: (a).63.66 MHz and 175 Hz
Q176.
In the television system in India, the odd and even fields are scanned
Discuss
Answer: (b).25 times each but alternately
Q177.
Consider the following:

1. A signal f(t) and its Hilbert transform fh(t) have the same energy density spectrum
2. A signal f(t) and its Hilbert transform, fh(t) have the same auto correlation function
3. A signal f(t) and its Hilbert transform are mutually orthogonal

Which of the above are true?
Discuss
Answer: (a).1, 2 and 3
Q178.
Vidicon and plumbicon operate on the principle of
Discuss
Answer: (c).photo voltaic
Q179.
A TV receiver has a width of 60 cm. The aspect ratio is 4/3. The required EHT supply is about
Discuss
Answer: (a).29 kV
Discuss
Answer: (c).cuts off audio amplifier when carrier is absent