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 33 of 63

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Q321.
Which of following antenna produces elliptical polarisation?
Discuss
Answer: (d).None
Q322.
The troposphere extends from earth surface to a height of
Discuss
Answer: (a).15 km
Q323.
Antenna reciprocity is put to use in
Discuss
Answer: (a).radar system
Discuss
Answer: (b).more than the critical frequency
Q325.
A plane EM wave is travelling in an unbound loss less dielectric having ฮผy = 1 and ฮตy = 4, the time average Poynting vector of the wave is 5 W/m³ . The phase velocity vp (assuming velocity of light as 3 x 10โธ m/sec) is
Discuss
Answer: (a).1.5 x 10โธ m/sec
Q326.
The phase velocity in a coaxial line is
Discuss
Answer: (a).greater than C
Q327.
D-layer extends approximately from
Discuss
Answer: (a).50 to 90 km
Q328.
The ionosphere plays a significant role in radio wave propagation at
Discuss
Answer: (a).high frequency
Q329.
Radiation resistance for wire antenna is
Discuss
Answer: (b).65 ฮฉ
Q330.
When a coil consisting of single turn rotates at a uniform speed in a magnetic field, the induced e.m.f. is
Discuss
Answer: (d).alternating