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 14 of 63

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Q131.
The I/P impedance of a short circuited quarter wave long transmission line is
Discuss
Answer: (d).none of the above
Q132.
A dipole antenna of ฮป/8 length has an equivalent total loss resistance of 1.5 ฮฉ. The efficiency of the antenna is
Discuss
Answer: (c).89.159%
Q133.
Gain of an antenna with a circular aperture of diameter 4 meter at frequency of 10 GHz, with directivity 60
Discuss
Answer: (a).60
Discuss
Answer: (a).direction of electric field
Q135.
Calculate the critical frequency for the E layer if maximum ionic densities are 3 x 10โถ
Discuss
Answer: (b).15.58 kHz
Q136.
A uniform plane wave travelling in air is incident on the plane boundary between air and another dielectric medium with ฮตr = 4. The reflection coefficient for the normal incidence is
Discuss
Answer: (d).0.33 โˆ 180°
Q137.
A transmission line has characteristics impedance of (75 + j 0.01) ฮฉ and is terminated in a load impedance of (70 + j 50) ฮฉ. The transmission coefficient will be
Discuss
Answer: (d).1.08 + j 0.32
Q138.
Maximum effective aperture of an antenna which is operating at a wavelength of 3 meters and has a directivity of 100
Discuss
Answer: (d).71.6 m²
Q139.
The distance between maxima and minima of a standing wave is
Discuss
Answer: (a).ฮป/4
Q140.
A TV. transmitting aerial is fixed on top of a 150 metre tower located on a mountain 1200 m height. The range of transmitter is
Discuss
Answer: (b).152 km