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.
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
Q43.
A line has Z0 = 300 โˆ  0° ฮฉ. If ZL = 150 โˆ  0° ฮฉ, reflection coefficient is
Discuss
Answer: (c).-0.3333
Q44.
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
Q45.
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
Q47.
Guide wavelength (ฮปg), cutoff wavelength (ฮปc) and free space wavelength (ฮปโ‚€) of a waveguide are related as

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q48.
Consider the following statements about directional coupler shown in the figure:

1. Ports 1 and 2 are decouple
2. Ports 3 and 4 are decoupled
3. Pots 1 and 3 are decoupled
4. Ports 1 and 4 are decoupled

Which of the above statements are correct?
Discuss
Answer: (a).1 and 2 only
Q49.
Two identical hybrid tees are joined as shown in the given figure. If 16 mW power is fed into port 1, the power output at ports 2 , 3, 1', 2', 3' respectively is
Discuss
Answer: (b).0, 8, 4, 4, 0 mW
Q50.
If QL is loaded Q, QE is external Q and QU is unloaded Q of a microwave resonator, then

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A