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.
If 'a' is the width of rectangular wave guide and '位' is the wave length, then

a.

a > 位/4

b.

a > 位/2

c.

a < 位/4

d.

a < 位/2

Discuss
Answer: (b).a > 位/2
Q192.
A parametric amplifier uses

a.

non linear resistance

b.

non linear reactance

c.

either (a) or (b)

d.

neither (a) nor (b)

Discuss
Answer: (b).non linear reactance
Q193.
Assertion (A): Impatt diode can be used in both amplifiers and oscillators.

Reason (R): Impatt diode has a low resistance.

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
Q194.
Which one of the following can be used for amplification of microwave energy?

a.

TWT

b.

Magnetron

c.

Reflex klystron

d.

Gunn diode

Discuss
Answer: (a).TWT
Q195.
At frequencies of 10 MHz and higher the impedance represented by ground is primarity

a.

resistive

b.

inductive

c.

capacitive

d.

partly resistive and partly capacitive

Discuss
Answer: (c).capacitive
Q196.
A disadvantage of microstrip line as the connections of compared to strip line is that former

a.

do not lend themselves to printed circuit

b.

are more likely to radiate

c.

are bulky

d.

are more expensive and complex

Discuss
Answer: (b).are more likely to radiate
Q197.
As frequency increases, the transmission efficiency

a.

decreases

b.

increases

c.

is not affected

d.

either (a) or (c)

Discuss
Answer: (b).increases
Q198.
A circular polarizer converts a linearly polarized wave into a circularly polarised wave.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q199.
If D is diameter of circular waveguide the cutoff wave-length for TE鈧佲倎 mode is equal to

a.

1.706 D

b.

2.11 D

c.

0.82 D

d.

0.41 D

Discuss
Answer: (a).1.706 D
Q200.
The external magnetic field in a magnetron is such that lines are

a.

parallel to the axis of cathode

b.

perpendicular to the axis of cathode

c.

inclined to the axis of cathode

d.

either (b) or (c)

Discuss
Answer: (a).parallel to the axis of cathode
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