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 12 of 41

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Q111.
In laboratory experiment the output from reflex klystron is moderated by square wave because

a.

it is easy to generate a square wave

b.

crystal diode operates in square law region of i-v characteristics

c.

it prevents frequency modulation

d.

detector circuit is less complicated

Discuss
Answer: (b).crystal diode operates in square law region of i-v characteristics
Q112.
In microwave detector used in laboratory measurements of relative power levels, standing wave ratio is about

a.

0.1

b.

1.25

c.

5

d.

10

Discuss
Answer: (b).1.25
Q113.
Microwaves

a.

get reflected by ionosphere

b.

are absorbed by ionosphere

c.

are neither reflected nor absorbed by ionosphere

d.

are both reflected and absorbed by ionosphere

Discuss
Answer: (c).are neither reflected nor absorbed by ionosphere
Q114.
In microstrip line has dielectric material most commonly used is

a.

silicon

b.

rubber

c.

plastic

d.

bakelite

Discuss
Answer: (a).silicon
Q115.
Which of the following lines is non-radiating?

a.

Open two wire

b.

Coaxial

c.

Both

d.

None of the above

Discuss
Answer: (b).Coaxial
Q116.
Assertion (A): The impedance of a matched load is equal to characteristic impedance of line.

Reason (R): A matched termination absorbs all the power incident on it.

a.

Both A and R are correct and R is correct explanation of A

b.

Both A and R are correct but R is not correct explanation of A

c.

A is correct but R is wrong

d.

A is wrong but R is correct

Discuss
Answer: (a).Both A and R are correct and R is correct explanation of A
Q117.
Skin effect is more pronounced at high frequencies.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q118.
Assertion (A): The phenomenon of differential mobility is called transferred electron effect.

Reason (R): GaAs exhibits transferred electron effect.

a.

Both A and R are correct and R is correct explanation of A

b.

Both A and R are correct but R is not correct explanation of A

c.

A is correct but R is wrong

d.

A is wrong but R is correct

Discuss
Answer: (b).Both A and R are correct but R is not correct explanation of A
Q119.
In fibre optics the use is made of thin glass fibres for efficient transmission of light.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q120.
Fields are said to be circularly polarized if

a.

their magnitudes are equal

b.

their magnitudes are equal and they differ in phase by ± 90°

c.

their magnitudes are unequal and they differ in phase ± 90°

d.

their magnitudes are unequal and they are in phase

Discuss
Answer: (b).their magnitudes are equal and they differ in phase by ± 90°
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