Microwave Communication MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Microwave Communication, 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 Microwave Communication 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 Microwave Communication mcq questions that explore various aspects of Microwave Communication problems. Each MCQ is crafted to challenge your understanding of Microwave Communication 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 Microwave Communication 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 Microwave Communication. 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 Microwave Communication knowledge to the test? Let's get started with our carefully curated MCQs!

Microwave Communication MCQs | Page 17 of 41

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Q161.
Assertion (A): The velocity of electromagnetic waves on overhead lines and coaxial cables is the same.

Reason (R): Free space has an intrinsic impedance of 377 ohms.
Discuss
Answer: (d).A is wrong but R is correct
Discuss
Answer: (a).a hollow metallic enclosure
Q163.
If antenna diameter is increased four times, the maximum range is increased by a factor of
Discuss
Answer: (c).4
Q164.
Assertion (A): Gunn diode is a transferred electron device.

Reason (R): A Gunn oscillator uses the phenomenon of transferred electron effect.
Discuss
Answer: (b).Both A and R are correct but R is not correct explanation of A
Q165.
Atomic and molecular resonance is observed in many substances
Discuss
Answer: (a).at microwave frequencies
Discuss
Answer: (a).low power device
Q167.
Consider the following applications:

1. TV tuning
2. Active filter
3. Microwave frequency multiplication

In which of above can a varactor diode be used?
Discuss
Answer: (a).1 2 and 3
Q168.
Consider the following statements:

1. Dissipative attenuator has a fixed value of attenuation.
2. Reflective attenuator has a fixed value of attenuation.
3. Both dissipative and reflective attenuators are available only with fixed attenuation.
4. Both dissipative and reflective attenuators are available with either fixed or variable attenuation.

Which of the above are correct?
Discuss
Answer: (d).4 only
Discuss
Answer: (b).a quarter wave line
Discuss
Answer: (a).more than 30 dB