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.

In electromagnetic waves, the electric field will be perpendicular to which of the following?

A. a)Magnetic field intensity
B. b)Wave propagation
C. c)Both H and wave direction
D. d)It propagates independently
Answer» D. d)It propagates independently
2.

For a test charge placed at infinity, the electric field will be

A. a)Unity
B. b)+∞
C. c)Zero
D. d)-∞
Answer» D. d)-∞
3.

Electric field of an infinitely long conductor of charge density λ, is given by E = λ/(2πεh).aN. State True/False.

A. a)True
B. b)False
Answer» B. b)False
4.

Determine the charge that produces an electric field strength of 40 V/cm at a distance of 30cm in vacuum(in 10-8C)

A. a)4
B. b)2
C. c)8
D. d)6
Answer» B. b)2
5.

What is the electric field intensity at a distance of 20cm from a charge 2 X 10-6 C in vacuum?

A. a)250,000
B. b)350,000
C. c)450,000
D. d)550,000
Answer» D. d)550,000
6.

The electric field intensity is defined as

A. a)Force per unit charge
B. b)Force on a test charge
C. c)Force per unit charge on a test charge
D. d)Product of force and charge
Answer» D. d)Product of force and charge