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 22 of 63

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Q211.
A person with a receiver is 5 km away from the transmitter. What is the distance that this person must move further to detect at 3 dB decrease in signal strength?
Discuss
Answer: (b).2070 m
Discuss
Answer: (a).ฮณ = ฮฑ + jฮฒ
Discuss
Answer: (c).3000 - 30000 MHz
Q214.
The measure of mismatch between the load and the transmission line is known as
Discuss
Answer: (d).reflection coefficient
Q215.
Ionospheric storm causes an abnormal decrease in the critical frequency.
Discuss
Answer: (a).True
Q216.
Which of the following is best excited from a waveguide?
Discuss
Answer: (d).Horn
Q217.
The frequencies in ultra high frequency range are propagated by means of __________ waves
Discuss
Answer: (d).space
Q218.
For an ideal antenna, numerical value of directivity must be
Discuss
Answer: (a).โˆž
Discuss
Answer: (a).F and q are perpendicular and v and B are perpendicular
Q220.
An electromagnetic wave is incident normally on a dielectric boundary. It is
Discuss
Answer: (b).partially reflected and partially refracted