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 2 of 63

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Q11.
For static magnetic field Maxwell's curl equation is given by

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q12.
Two identical and parallel dipole antenna are kept apart by a distance of λ/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
Q13.
Which one of the following statement is not a correct for a plane wave with

a.

The wave frequency is 10¯⁶ r.p.s.

b.

The wavelength is 3.14 m

c.

The wave travels + x direction

d.

Wave is polarized in the z direction

Discuss
Answer: (d).Wave is polarized in the z direction
Q14.
For a transmission line with homogeneous dielectric the capacitance per unit length is 'c', the relative permittivity of the dielectric is 'εr' 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
Q15.
If the electric field intensity is given by following equation, the potential difference between x(2, 0, 0) and y(1, 2, 3) is

a.

+1 volt

b.

-1 volt

c.

+5 volt

d.

+6 volt

Discuss
Answer: (c).+5 volt
Q16.
Medium 1 has the electrical permittivity ε1 = 1.5 ε0 farad/m and occupies the region to the left of x = 0 plane. Medium 2 has the electrical permittivity ε2 = 2.5 ε0 farad/m and the occupies the region to the right of x = 0 plane. If E1 in medium 1 is given by below equation, then E2 in medium 2 is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q17.
Find the flux crossing the plane surface defined by 0.5 ≤ r ≤ 3.5 m and 0 ≤ z ≤ 3 m. if

a.

0

b.

255 Wb

c.

6.45 Wb

d.

none of the above

Discuss
Answer: (a).0
Q18.
The sinusoidally time varying vector field is

a.

elliptically polarized

b.

circularly polarized

c.

linearly polarized

d.

unpolarized

Discuss
Answer: (d).unpolarized
Q19.
Which of the following relations is valid?

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q20.
The directive gain of an antenna is given by

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
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