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 16 of 41

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Discuss
Answer: (c).because of earth's curvature
Q152.
For matching over a range of frequencies in a transmission line it is best to use
Discuss
Answer: (c).double stub
Q153.
Assertion (A): In the interaction region of magnetron an electron is subjected to three forces: force due to electric field, force due to magnetic field and centrifugal force.

Reason (R): The mechanism of generation of microwaves, in a magnetron, involves interaction of electromagnetic fields with electrons moving in static electric and magnetic fields oriented at right angles to each other.
Discuss
Answer: (a).Both A and R are correct and R is correct explanation of A
Discuss
Answer: (b).coplanar arms are coupled
Q155.
Roughly the time required for microwave cooking as compared to conventional cooking is
Discuss
Answer: (d).about one-tenth
Q156.
If the minimum range of a radar is to be doubled, the peak power has to be increased by a factor of

a.

2

b.

4

c.

8

d.

16

Discuss
Answer: (d).16
Q157.
Which mode has the lowest cut off frequency in circular wave guides?
Discuss
Answer: (b).TE₁₁
Q158.
Assertion (A): Klystron amplifiers use one or more intermediate cavities in addition to buncher and catcher cavity.

Reason (R): When one or more intermediate cavities are used the bandwidth can be increased.
Discuss
Answer: (a).Both A and R are correct and R is correct explanation of A
Q159.
A wave Em cos (bx - Ο‰t) is a backward wave.
Discuss
Answer: (b).False
Q160.
In a circular waveguide TE₂₁ mode has lowest cutoff frequency
Discuss
Answer: (b).False