A coaxial cable has conductor radii a and b, where a b Material of permeability r 1 exists in the region a c, whereas the region c b is air filled Find an expression for the inductance per unit length

Question: A coaxial cable has conductor radii a and b, where a < b. Material of permeability r 1 exists in the region a

A coaxial cable has conductor radii a and b, where a < b. Material of permeability μ_r ≠ 1 exists in the region a < ρ < c, whereas the region c < ρ < b is air filled. Find an expression for the inductance per unit length.

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