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 29 of 63

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Q281.
The best excited reflector from a wave guide is
Discuss
Answer: (a).horn
Q282.
Consider an arbitrary distribution of conducting bodies in a charge free space according to the uniqueness theorem, which of following are required to be specified in order that the field is uniquely determined everywhere?

1. Total charge on each conductor
2. Potential at each conductor surface
3. Potential at same of conductor and total charge on the remainder
4. Total charge as well as potential gradient on each conductor surface

Select the correct answer using the codes given below codes
Discuss
Answer: (b).2 and 4
Q283.
Which of the following is a better propagation mode to propagate television frequency modulation and radar signals?
Discuss
Answer: (a).Satellite communication
Q284.
Antenna used for T.V. broadcasting is
Discuss
Answer: (c).crossed dipole
Q285.
For a rectangular waveguide (a x b, a > b) to support only the TE鈧佲個 mode at wavelength which one of the following pairs of in equalities is to be satisfied?
Discuss
Answer: (d).a < 位 < 2b; 位 > 2a
Q286.
For an elliptically polarized wave incident on the interface of a dielectric at the Brewster angle the reflected wave will be
Discuss
Answer: (a).elliptically polarized
Q287.
Which of the antenna is best excited by a waveguide?
Discuss
Answer: (a).Horn
Q288.
An end fire array consisting of several half-wave lengths of directive gain 40, then array length will be
Discuss
Answer: (a).10 位
Q289.
Loop antennas are mostly employed for direction finding (DF) purposes because they are small and hence portable.
Discuss
Answer: (a).True
Discuss
Answer: (d).broadcasting, navigation