Explore topic-wise MCQs in Electromagnetic Theory.

This section includes 12 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.

Determine the divergence of F = 30 i + 2xy j + 5xz2 k at (1,1,-0.2) and state the nature of the field.

A. 1, solenoidal
B. 0, solenoidal
C. 1, divergent
D. 0, divergent
Answer» C. 1, divergent
2.

Find the divergence of the vector F= xe-x i + y j – xz k

A. (1 – x)(1 + e-x)
B. (x – 1)(1 + e-x)
C. (1 – x)(1 – e)
D. (x – 1)(1 –
E. (x – 1)(1 – e)
Answer» B. (x – 1)(1 + e-x)
3.

Given D = e-xsin y i – e-xcos y jFind divergence of D.

A. 3
B. 2
C. 1
D. 0
Answer» E.
4.

The divergence concept can be illustrated using Pascal’s law. State True/False.

A. True
B. False
Answer» B. False
5.

FIND_THE_DIVERGENCE_OF_THE_FIELD,_P_=_X2YZ_I_+_XZ_K?$

A. xyz + 2x
B. 2xyz + x
C. xyz + 2z
D. 2xyz + z
Answer» C. xyz + 2z
6.

Identify the nature of the field, if the divergence is zero and curl is also zero.$

A. Solenoidal, irrotational
B. Divergent, rotational
C. Solenoidal, irrotational
D. Divergent, rotational
Answer» D. Divergent, rotational
7.

Find whether the vector is solenoidal, E = yz i + xz j + xy ?

A. Yes, solenoidal
B. No, non-solenoidal
C. Solenoidal with negative divergence
D. Variable divergence
Answer» B. No, non-solenoidal
8.

Determine the divergence of F = 30 i + 2xy j + 5xz2 k at (1,1,-0.2) and state the nature of the field.

A. 1, solenoidal
B. 0, solenoidal
C. 1, divergent
D. 0, divergent
Answer» C. 1, divergent
9.

Find the divergence of the vector F= xe-x i + y j – xz k$

A. (1 – x)(1 + e<sup>-x</sup>)
B. (x – 1)(1 + e<sup>-x</sup>)
C. (1 – x)(1 – e)
D. (x – 1)(1 – e)
Answer» B. (x ‚Äö√Ñ√∂‚àö√ë‚àö¬® 1)(1 + e<sup>-x</sup>)
10.

Compute the divergence of the vector xi + yj + zk.

A. 0
B. 1
C. 2
D. 3
Answer» E.
11.

The divergence concept can be illustrated using Pascal’s law. State True/False.$

A. True
B. False
Answer» B. False
12.

The divergence of a vector is a scalar. State True/False.

A. True
B. False
Answer» B. False