Explore topic-wise MCQs in Electromagnetic Theory Questions and Answers.

This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Electromagnetic Theory Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

Find the value of divergence theorem for the field D = 2xy i + x2 j for the rectangular parallelepiped given by x = 0 and 1, y = 0 and 2, z = 0 and 3.

A. a)10
B. b)12
C. c)14
D. d)16
Answer» C. c)14
Discussion
2.

Compute the charge enclosed by a cube of 2m each edge centered at the origin and with the edges parallel to the axes. Given D = 10y3/3 j.

A. a)20
B. b)70/3
C. c)80/3
D. d)30
Answer» D. d)30
Discussion
3.

Compute the Gauss law for D = 10ρ3/4 i, in cylindrical coordinates with ρ = 4m, z = 0 and z = 5, hence find charge using volume integral.

A. a)6100 π
B. b)6200 π
C. c)6300 π
D. d)6400 π
Answer» E.
Discussion
4.

Compute divergence theorem for D = 5r2/4 i in spherical coordinates between r = 1 and r = 2 in volume integral.

A. a)80 π
B. b)5 π
C. c)75 π
D. d)85 π
Answer» D. d)85 π
Discussion
5.

Evaluate Gauss law for D = 5r2/4 i in spherical coordinates with r = 4m and θ = π/2 as volume integral.

A. a)600
B. b)588.9
C. c)577.8
D. d)599.7
Answer» C. c)577.8
Discussion
6.

Find the charged enclosed by a sphere of charge density ρ and radius a.

A. a)ρ (4πa2)
B. b)ρ(4πa3/3)
C. c)ρ(2πa2)
D. d)ρ(2πa3/3)
Answer» C. c)ρ(2πa2)
Discussion