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 61 of 63

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Q601.
The critical frequency of 'F' layer is greater than 30 MHz.
Discuss
Answer: (b).False
Discuss
Answer: (b).The characteristic impedance can be measured approximately with a sensitive ohm meter
Q603.
Which of the following will increase the antenna radiation efficiency?
Discuss
Answer: (c).Top loading of antenna
Q604.
A waveguide operated below cut off frequency can be used as
Discuss
Answer: (b).an attenuator
Discuss
Answer: (b).The conduction current density is J and displacement current density ษ—D/ษ—t
Q606.
The radiation pattern of Hertzian dipole in the plane perpendicular to dipole is a
Discuss
Answer: (c).figure of eight
Q607.
The transmitting antennas for lower frequencies (below 500 kHz) are generally
Discuss
Answer: (a).vertical grounded wire type
Q608.
In an home T.V. receiver, the leed in from the antenna is
Discuss
Answer: (d).twin wire
Q609.
A satellite that simply reflect back the signals from one region of the earth to the other region is known as
Discuss
Answer: (d).passive satellite
Q610.
Conductivity is measured in terms of
Discuss
Answer: (a).mho/metre