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 21 of 63

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Q201.
Two identical antennas are placed in the ฮธ = ฯ€/2 plane as shown in the figure. The elements have equal amplitude excitation with 180° polarity difference, operating of the far-zone resultant electric field strength normalized with that of a single element, both computed for ฯ† = 0, is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (d).D
Q202.
For static magnetic field Maxwell's curl equation is given by

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q203.
Two identical and parallel dipole antenna are kept apart by a distance of ฮป/4 in the H-plane. They are fed with equal currents but the right most antenna has a phase shift of + 90°. The radiation pattern is given as

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Discuss
Answer: (d).Wave is polarized in the z direction
Q205.
For a transmission line with homogeneous dielectric the capacitance per unit length is 'c', the relative permittivity of the dielectric is 'ฮตr' and velocity of light in free space is 'v' the characteristic impedance z0 is equal to

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q206.
If the electric field intensity is given by following equation, the potential difference between x(2, 0, 0) and y(1, 2, 3) is
Discuss
Answer: (c).+5 volt
Q207.
Which of the wave remains unaffected whether it is a day or night?
Discuss
Answer: (b).Ground wave
Q208.
Which of the following is not an omnidirectional antenna?
Discuss
Answer: (a).Log periodic
Q209.
The unit of magnetic flux density is
Discuss
Answer: (c).tesla
Q210.
In a waveguide if TE mode exist for z direction propagation, then
Discuss
Answer: (a).Ez = 0, Hz โ‰  0