A solid conductor with relative permeability µr = 200, conductivity σ = 5 × 10^6 mho/m having outer dia 8 mm and length 2 mm. If the total current carried by the conductor is i(t) = 2 cos(π10^4 t) A. Find the skin depth.
- A. 2.25 mm
- B. 0.225 mm
- C. 0.16 mm
- D. 1.60 mm