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 9 of 41

Q81.
Assertion (A): TWT uses a focussing mechanism to prevent the electron beam from spreading.

Reason (R): In a TWT the electron beam has to travel a much longer distance than in klystron.
Discuss
Answer: (a).Both A and R are correct and R is correct explanation of A
Q82.
In a TWT the amplitude of resultant wave travelling down the helix
Discuss
Answer: (a).increases exponentially
Q83.
Which of the following is not a travelling wave?
Discuss
Answer: (d).e = Em sin (βx)
Q84.
Both Impatt and Trapatt devices use avalanche effect
Discuss
Answer: (a).True
Discuss
Answer: (d).inversely proportional to square of wavelength
Discuss
Answer: (d).use an antenna for reception or transmission without interference
Q87.
A branched duplexer requires
Discuss
Answer: (c).both TR and ATR tube
Discuss
Answer: (a).travelling along the line winds itself back and forth
Q89.
A transmission line has Z0 = 300 Ω and ZL = (300 - j300) ohm. The transmission coefficient is
Discuss
Answer: (a).1.265 ∠ - 18.43°
Q90.
In a reflex klystron oscillator, repeller electrode is at
Discuss
Answer: (c).negative potential