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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 | |