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

This section includes 3 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.

The skin depth of the wave having a frequency of 3MHz and a velocity of 12 m/s is

A. a)2
B. b)3
C. c)4
D. d)6
Answer» D. d)6
2.

The relation between the skin depth and frequency is given by

A. a)Skin depth α f
B. b)Skin depth α 1/f
C. c)Skin depth α √f
D. d)Skin depth α 1/√f
Answer» E.
3.

The effective skin resistance of a material with conductivity 120 and skin depth of 2μm is

A. a)4.16 kilo ohm
B. b)4.16 mega ohm
C. c)41.6 kilo ohm
D. d)41.6 mega ohm
Answer» B. b)4.16 mega ohm