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 41 of 63

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Q401.
The portion of the atmosphere closest to ground is called ionosphere.
Discuss
Answer: (b).False
Q402.
Which of the following relations is valid for a spherical surface?
Discuss
Answer: (c).D = Q/4ฯ€r²
Q403.
When there is rapid attenuation of field inside the conductor, the field current are concentrated close to the surface of the conductor; this phenomenon is called
Discuss
Answer: (a).skin effect
Q404.
Which antenna is frequently used for local area transmission at UHF/VHF?
Discuss
Answer: (a).Ground monopole
Q405.
The work done in moving a charge Q on an equipotential line for a distance d will be
Discuss
Answer: (d).zero
Q406.
An antenna is synonymous to a
Discuss
Answer: (b).transformer
Q407.
Alternating current can induce voltage because it has magnetic field which is
Discuss
Answer: (b).time varying
Q408.
Which of the following frequencies cannot be used for reliable beyond-the-horizon terrestrial communications without repeaters?
Discuss
Answer: (d).12 GHz
Q409.
Maximum effective aperture (Ae)max of short dipole antenna is
Discuss
Answer: (b).0.119 ฮป²
Q410.
Beamwidth of an antenna depends upon
Discuss
Answer: (d).all of the above