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.

A_FIELD_HAS_ZERO_DIVERGENCE_AND_IT_HAS_CURLS._THE_FIELD_IS_SAID_TO_BE?$

A. Divergent, rotational
B. Solenoidal, rotational
C. Solenoidal, irrotational
D. Divergent, irrotational
Answer» C. Solenoidal, irrotational
Discussion
2.

When_a_vector_is_irrotational,_which_condition_holds_good?$

A. Stoke’s theorem gives non-zero value
B. Stoke’s theorem gives zero value
C. Divergence theorem is invalid
D. Divergence theorem is valid
Answer» C. Divergence theorem is invalid
Discussion
3.

The magnetic field intensity is said to b?

A. Divergent
B. Curl free
C. Solenoidal
D. Rotational
Answer» D. Rotational
Discussion
4.

A vector is said to be solenoidal when its

A. Divergence is zero
B. Divergence is unity
C. Curl is zero
D. Curl is unity
Answer» B. Divergence is unity
Discussion
5.

Identify the correct vector identity.

A. i . i = j . j = k . k = 0
B. i X j = j X k = k X i = 1
C. Div (u X v) = v . Curl(u) – u . Curl(v)
D. i . j = j . k = k . i = 1
Answer» D. i . j = j . k = k . i = 1
Discussion
6.

The curl of gradient of a vector is non-zero. State True or False.

A. True
B. False
Answer» C.
Discussion
7.

The divergence of curl of a vector is zero. State True or False.

A. True
B. False
Answer» B. False
Discussion
8.

The Laplacian operator is actually

A. Grad(Div V)
B. Div(Grad V)
C. Curl(Div V)
D. Div(Curl V)
Answer» C. Curl(Div V)
Discussion
9.

The relation between vector potential and field strength is given by

A. Gradient
B. Divergence
C. Curl
D. Del operator
Answer» B. Divergence
Discussion
10.

The del operator is called as

A. Gradient
B. Curl
C. Divergence
D. Vector differential operator
Answer» E.
Discussion