A steel pipe is constructed of a material for which µr = 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: Option A
This Question Belongs to Electronics And Communications Engineering >> Electromagnetic Field Theory
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