Explore topic-wise MCQs in Electromagnetic Theory.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Electromagnetic Theory knowledge and support exam preparation. Choose a topic below to get started.

1.

Find the curl of the vector and state its nature at (1,1,-0.2)F = 30 i + 2xy j + 5xz2 k

A. √4.01
B. √4.02
C. √4.03
D. √4.04
Answer» E.
Discussion
2.

WHICH_OF_THE_FOLLOWING_MAXWELL_EQUATIONS_USE_CURL_OPERATION??$

A. Maxwell 1st and 2nd equation
B. Maxwell 3rd and 4th equation
C. All the four equations
D. None of the equations
Answer» B. Maxwell 3rd and 4th equation
Discussion
3.

CURL_CANNOT_BE_EMPLOYED_IN_WHICH_ONE_OF_THE_FOLLOWING??$

A. Directional coupler
B. Magic Tee
C. Isolator and Terminator
D. Waveguides
Answer» E.
Discussion
4.

Find the curl of the vector A = yz i + 4xy j + y ?

A. xi + j + (4y – z)k
B. xi + yj + (z – 4y)k
C. i + j + (4y – z)k
D. i + yj + (4y – z)k
Answer» E.
Discussion
5.

Find the curl of A = (y cos ax)i + (y + ex)k

A. 2i – ex j – cos ax k
B. i – ex j – cos ax k
C. 2i – ex j + cos ax k
D. i – ex j + cos ax k
Answer» C. 2i ‚Äö√Ñ√∂‚àö√ë‚àö¬® ex j + cos ax k
Discussion
6.

Is the vector is irrotational. E = yz i + xz j + xy k

A. Yes
B. No
Answer» B. No
Discussion
7.

The curl of a curl of a vector gives a

A. Scalar
B. Vector
C. Zero value
D. Non zero value
Answer» C. Zero value
Discussion
8.

Which of the following theorem use the curl operation?

A. Green’s theorem
B. Gauss Divergence theorem
C. Stoke’s theorem
D. Maxwell equation
Answer» D. Maxwell equation
Discussion
9.

The curl of curl of a vector is given by,

A. Div(Grad V) – (Del)<sup>2</sup>V
B. Grad(Div V) – (Del)<sup>2</sup>V
C. (Del)<sup>2</sup>V – Div(Grad V)
D. (Del)<sup>2</sup>V – Grad(Div V)
Answer» C. (Del)<sup>2</sup>V ‚Äö√Ñ√∂‚àö√ë‚àö¬® Div(Grad V)
Discussion
10.

Curl is defined as the angular velocity at every point of the vector field. State True/False.

A. True
B. False
Answer» B. False
Discussion