Consider the following statements regarding the depth of penetration or skin depth in a conductor1. It increases as frequency increases.2. It is inversely proportional to the square root of μ and σ.3. It is inversely proportional to the square root of f.4. It is directly proportional to the square root of μ and σ.Which of the above statements are correct?

Consider the following statements regarding the depth of penetration

1.	Consider the following statements regarding the depth of penetration or skin depth in a conductor1. It increases as frequency increases.2. It is inversely proportional to the square root of μ and σ.3. It is inversely proportional to the square root of f.4. It is directly proportional to the square root of μ and σ.Which of the above statements are correct?
A.	1 and 2 only
B.	3 and 4 only
C.	2 and 3 only
D.	1, 2, 3 and 4
Answer» D. 1, 2, 3 and 4

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Consider the following statements regarding the depth of penetration or skin depth in a conductor1. It increases as frequency increases.2. It is inversely proportional to the square root of μ and σ.3. It is inversely proportional to the square root of f.4. It is directly proportional to the square root of μ and σ.Which of the above statements are correct?

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