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 20 of 41

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Q191.
In microstrip line has dielectric material most commonly used is

a.

silicon

b.

rubber

c.

plastic

d.

bakelite

Discuss
Answer: (a).silicon
Q192.
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
Q193.
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°
Q194.
Most electromagnetic transmission in rectangular wave-guide uses

a.

TE₁₀ mode

b.

TE₀₁ mode

c.

TE₂₀ mode

d.

TE₁₁ mode

Discuss
Answer: (a).TE₁₀ mode
Q195.
Loading of a line means

a.

increasing inductance of line

b.

increasing distributed inductance of line

c.

decreasing distributed inductance of line

d.

decreasing inductance of line

Discuss
Answer: (b).increasing distributed inductance of line
Q196.
The frequency of oscillations obtained from a reflex klystron depends mainly on

a.

resonant frequency of cavity

b.

repeller voltage

c.

voltage of focussing electrode

d.

characteristics of cathode

Discuss
Answer: (a).resonant frequency of cavity
Q197.
The main advantage of TWT over klystron is

a.

higher bandwidth

b.

higher gain

c.

higher frequency

d.

higher output

Discuss
Answer: (a).higher bandwidth
Q198.
In a TWT the phase velocity of the axial component of the field on the slow wave structure is kept

a.

equal to velocity of electron

b.

slightly less than velocity of electron

c.

slightly more than velocity of electron

d.

equal to velocity of light in free space

Discuss
Answer: (a).equal to velocity of electron
Q199.
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.

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
Q200.
When a wave reaches an open circuit

a.

the voltage at termination is doubled the incident voltage

b.

the current at termination is doubled the incident voltage

c.

the voltage at termination is zero

d.

both V and I at termination are doubled the incident voltage and current

Discuss
Answer: (a).the voltage at termination is doubled the incident voltage
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