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 25 of 41

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Q241.
Which of the following statements is not correct regarding modes of electromagnetic energy transmission?

a.

In TE mode the direction of electric field is always and everywhere transverse to the direction of propagation

b.

In TM mode the magnetic field pattern is always and everywhere transverse to the direction of propagation

c.

The subscripts is TE and TM designations denote the number of half sine wave variations of the field components in x and y directions respectively.

d.

TM₁₁ is called the dominant mode.

Discuss
Answer: (d).TM₁₁ is called the dominant mode.
Q242.
The usable bandwidth of ridge wave guide

a.

is lower than that of rectangular waveguide

b.

is higher than that of rectangular waveguide

c.

is almost same as that of rectangular waveguide

d.

is very small as compared to that of rectangular waveguide

Discuss
Answer: (b).is higher than that of rectangular waveguide
Q243.
Assertion (A): In TE mode for rectangular waveguide.

Reason (R): In TM mode for rectangular waveguide.

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
Q244.
The attenuation characteristics of a loaded line is similar to that of

a.

low pass filter

b.

high pass filter

c.

band pass filter

d.

band stop filter

Discuss
Answer: (d).band stop filter
Q245.
A microstrip line has ∈r = 9. The normalised wavelength (Ξ»/Ξ»β‚€) is about

a.

10

b.

2

c.

1

d.

0.4

Discuss
Answer: (d).0.4
Q246.
If the repeller voltage in a klystron oscillator is increased the transit time of electron

a.

will be increased

b.

will be decreased

c.

will remain the same

d.

either (a) or (b)

Discuss
Answer: (c).will remain the same
Q247.
When duct propagation exists

a.

the line of sight and diffraction. Zone concepts are payable

b.

the line of sight and diffraction zone concepts are not applicable

c.

line of sight concept is applicable but diffraction zone concept is applicable

d.

diffraction zone concept is not applicable but line of sight concept is not applicable

Discuss
Answer: (b).the line of sight and diffraction zone concepts are not applicable
Q248.
If in line G/C = R/L, the characteristic impedance becomes real.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q249.
In a microwave coaxial cable the inner conductor radius is a and inner radius of outside conductor is b. For TE₁₁ mode the cut off wavelength is about

a.

a + b

b.

Ο€(a + b)

c.

Ο€a

d.

Ο€b

Discuss
Answer: (b).Ο€(a + b)
Q250.
The rotation of direction of E field of a linearly polarized wave passing through a magnetised ferric medium is called

a.

Lorentz rotation

b.

Faraday rotation

c.

Steinmitz rotation

d.

Fleming's rotation

Discuss
Answer: (b).Faraday rotation
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