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 5 of 41

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Q41.
Assertion (A): The phenomenon of differential mobility is called transferred electron effect.

Reason (R): GaAs exhibits transferred electron effect.
Discuss
Answer: (b).Both A and R are correct but R is not correct explanation of A
Q42.
Which of the following devices uses a helix?
Discuss
Answer: (c).TWT
Q43.
The action of backward wave oscillator is similar to that of
Discuss
Answer: (c).TWT
Q44.
Assertion (A): Artificial transmission lines are frequently used in laboratories.

Reason (R): An artificial transmission line can be used to represent an actual line and can also be used as a delay circuit, as attenuator, as filter network etc.
Discuss
Answer: (a).Both A and R are correct and R is correct explanation of A
Q45.
In a backward wave oscillator the wave travelling along the line winds itself back and forth
Discuss
Answer: (a).True
Discuss
Answer: (d).the oscillations will continue indefinitely
Q47.
A line has Z0 = 300 โˆ  0° ฮฉ. If ZL = 150 โˆ  0° ฮฉ, reflection coefficient is
Discuss
Answer: (c).-0.3333
Q48.
Assertion (A): A backward wave oscillator has an internal positive feedback.

Reason (R): A positive feedback is necessary for sustained oscillations.
Discuss
Answer: (b).Both A and R are correct but R is not correct explanation of A
Q49.
In a microstrip transmission the signal can be easily redirected by changing the centre strip.
Discuss
Answer: (a).True
Discuss
Answer: (a).varying the voltage which controls beam velocity