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This question belongs to Electronics And Communications Engineering Electromagnetic Field Theory

Electromagnetic Field Theory

?

A steel pipe is constructed of a material for which µ_r = 200 and σ = 5 × 10⁶ mho/m. The outer and inner radii are 8 and 6 mm respectively and the length is 80 m. If the total current carried by the pipe is 2cos10⁴πt A,Then the skin depth will be

A) 0.225 × 10^-3 m B) 0.300 × 10^-3 m C) 0.352 × 10^-3 m D) 0.125 × 10^-3 m

Answer & Solution

Correct Answer: Option A

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