Electromagnetic Field Theory MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Electromagnetic Field Theory, 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 Electromagnetic Field Theory 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 Electromagnetic Field Theory mcq questions that explore various aspects of Electromagnetic Field Theory problems. Each MCQ is crafted to challenge your understanding of Electromagnetic Field Theory 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 Electromagnetic Field Theory 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 Electromagnetic Field Theory. 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 Electromagnetic Field Theory knowledge to the test? Let's get started with our carefully curated MCQs!

Electromagnetic Field Theory MCQs | Page 46 of 63

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Q451.
The electric field of an EM wave propagating in the z direction given by following equation. The wave is

a.

linearly polarized in z direction

b.

elliptically polarized

c.

left hand circularly polarized

d.

right hand circularly polarized

Discuss
Answer: (c).left hand circularly polarized
Q452.
The radiation pattern of two element collinear array is represent in

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q453.
A lossless transmission line is connected to two identical voltage source as shown in figure. The impedance measured at the midpoint AA' is

a.

∞

b.

100

c.

50

d.

25

Discuss
Answer: (a).∞
Q454.
For a quarter wave transformer, characteristic impedance is related with input and load impedances as

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q455.
If a EM wave propagating in z direction then

a.

component of EM wave will exist in z direction

b.

component of EM wave will not exist in z direction

c.

component of EM wave will exist in y direction

d.

component of EM wave will exist in x direction

Discuss
Answer: (b).component of EM wave will not exist in z direction
Q456.
The thin parallel wires are carrying current along the same direction. The force experienced by one due to the other is

a.

parallel to the lines

b.

perpendicular to the lines and attractive

c.

perpendicular to the lines and repulsive

d.

zero

Discuss
Answer: (b).perpendicular to the lines and attractive
Q457.
Mutual impedance is not depend upon

a.

magnitude of induced current

b.

tuning condition

c.

self impedance

d.

phase relationship between induced and original currents

Discuss
Answer: (c).self impedance
Q458.
The dimension of flux density is

a.

MT¯¹Q¯¹

b.

MT¯²

c.

MT¹Q¹

d.

MT¯¹Q¯²

Discuss
Answer: (a).MT¯¹Q¯¹
Q459.
For TE or TM modes of propagation in bounded media, the phase velocity is

a.

independent of frequency

b.

is a linear function of frequency

c.

is a non-linear function of frequency

d.

can be frequency dependent or frequency independent on the source

Discuss
Answer: (c).is a non-linear function of frequency
Q460.
Frequencies in the UHF range propagate by means of

a.

space wave

b.

surface waves

c.

sky waves

d.

ground waves

Discuss
Answer: (a).space wave
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