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 17 of 63

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Q161.
A rectangular waveguide having TE₁₀ mode as dominant mode is having a cut off frequency of 18 GHz for the TE₃₀ mode. The inner broad wall dimension of the rectangular waveguide is
Discuss
Answer: (c).5/2 cm
Q162.
A 50 Ο€ characteristic impedance line is connected to a load which shows a reflection coefficients of 0.268. If Vin = 15 volt, then the net power delivered to the load will be
Discuss
Answer: (b).1.39 W
Q163.
1 dB is equal to __________ nepier
Discuss
Answer: (a).8.6
Discuss
Answer: (a).continuity equation for steady currents
Discuss
Answer: (b).non-resonant antenna
Discuss
Answer: (a).may occur around the edge of a sharp obstacle
Q167.
When a particular mode is excited in a waveguide, these appears an extra electric components in the direction of propagation. The resulting mode is
Discuss
Answer: (b).Transverse magnetic
Q168.
An antenna has a gain of 44 dB. Assuming that the main beam of the antenna is circular in cross-section the beamwidth will be
Discuss
Answer: (c).2.4456°
Q169.
In cellphone communication base antennas are connected to other base antennas in
Discuss
Answer: (a).line of sight communication
Q170.
The √(L/C) has the dimension of
Discuss
Answer: (d).resistance