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 16 of 63

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Q151.
Radiation intensity does not depend upon
Discuss
Answer: (b).antenna width
Q152.
Δ²V = - ρ/E is known as __________ equation
Discuss
Answer: (a).Poisson
Q153.
A vertical earthed antenna is resonant when its physical height is equal to
Discuss
Answer: (c).λ/4
Q154.
Which of the following is a vector quantity?
Discuss
Answer: (b).Reflection coefficient
Q155.
Velocity of the wave when it passes from air into sphere
Discuss
Answer: (b).increases
Q156.
The ratio of the directivity of an end fire antenna to that of a broadside antenna is

a.

2

b.

3

c.

4

d.

5

Discuss
Answer: (a).2
Q157.
If the electric field intensity associated with a uniform plane electromagnetic wave travelling in a perfect dielectric medium is given by E(z, t) = 10 cos (2π x 10⁷t - 0.1 πz) volt/metre, then the velocity of the travelling wave is
Discuss
Answer: (b).2 x 10⁸ m/sec
Discuss
Answer: (a).their frequency
Q159.
For transmission-line matching over range of frequencies, it is best to use a
Discuss
Answer: (b).double stub
Q160.
For a reflection co-efficient of 0.5, the value of SWR is

a.

-1

b.

1

c.

2

d.

3

Discuss
Answer: (d).3