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 47 of 63

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Q461.
Intrinsic or characteristic impedance of free space has a value of
Discuss
Answer: (d).120 ฮต ohm
Q462.
Which one is not correct for folded dipole antenna?
Discuss
Answer: (b).Low I/P impedance
Q463.
For VLF antennas radiation resistance is usually of the order of
Discuss
Answer: (a).less than one ohm
Discuss
Answer: (c).ฮฑ = power lost per unit length/2 x power transmitted
Discuss
Answer: (a).mmf x reluctance = 1
Q466.
An antenna array pattern is to used for increasing
Discuss
Answer: (d).all
Discuss
Answer: (a).fc sec ฮธ
Discuss
Answer: (a).high Pass filter
Q469.
Radar antennas are usually
Discuss
Answer: (c).parabolic dishes
Q470.
The radio horizon for space waves is about three-fourth as for as the optical horizon.
Discuss
Answer: (b).False