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 36 of 41

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Q351.
In a TWT the phase velocity of the axial component of the field on the slow wave structure is kept
Discuss
Answer: (a).equal to velocity of electron
Q352.
Assertion (A): Two equal and opposite travelling waves result in a standing wave.

Reason (R): The ratio of maximum to minimum value of a standing wave is called SWR.
Discuss
Answer: (b).Both A and R are correct but R is not correct explanation of A
Discuss
Answer: (a).the voltage at termination is doubled the incident voltage
Q354.
Assertion (A): In circular waveguide the attenuation of TE01 mode decreases as the operating frequency increases.

Reason (R): The wall currents in a circular waveguide in TEQ1 mode are completely circumferential.
Discuss
Answer: (b).Both A and R are correct but R is not correct explanation of A
Q355.
Consider the following statements

1. Usable bandwidth of ridge wave guide is more than that of rectangular waveguide.
2. For a given value of TM₁₀ cutoff frequency the cross section of ridge wave guide is lesser that that of rect angular waveguide.
3. Ridge wave guide has higher conductor losser than a rectangular waveguide.
4. Ridge guide has higher conductor losser than a rectangular waveguide.

Which of the above statements are correct?
Discuss
Answer: (b).1, 2 and 3 only
Q356.
Directive gain of elementary doublet is
Discuss
Answer: (c).1.5
Discuss
Answer: (c).to measure amplitude and phase of a travelling wave
Q358.
Assertion (A): In rectangular waveguide TE₀₁ mode is just TE₁₀ mode rotated by 90°.

Reason (R): When a rectangular waveguide is rotated by 90°, the broad and narrow dimensions get interchanged.
Discuss
Answer: (a).Both A and R are correct and R is correct explanation of A
Q359.
Consider the following statements about a magic tee

1. The collinear arms are isolated from each other.
2. On of the collinear arms is isolated from E arm.
3. On of the collinear arms is isolated from H arm.
4. E and H arms are isolated from each other.

Of the above statements
Discuss
Answer: (c).1 and 4 are correct
Q360.
Assertion (A): Hollow waveguides are frequently used as transmission lines at microwave frequencies.

Reason (R): Waveguide has high power handling capacity, low loss and simple structure.
Discuss
Answer: (a).Both A and R are correct and R is correct explanation of A