A solid conductor with relative permeability μr = 200, conductivity σ = 5 × 106 mho/m having outer diameter 8 mm and length 2 mm. If the total current carried by the conductor is i(t) = 2 cos (π 104 t) A. Find the skin depth.

A solid conductor with relative permeability μr = 200, conductivity �

1.	A solid conductor with relative permeability μr = 200, conductivity σ = 5 × 106 mho/m having outer diameter 8 mm and length 2 mm. If the total current carried by the conductor is i(t) = 2 cos (π 104 t) A. Find the skin depth.
A.	2.25 mm
B.	0.225 mm
C.	0.16 mm
D.	1.60 mm
Answer» C. 0.16 mm

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A solid conductor with relative permeability μr = 200, conductivity σ = 5 × 106 mho/m having outer diameter 8 mm and length 2 mm. If the total current carried by the conductor is i(t) = 2 cos (π 104 t) A. Find the skin depth.

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