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In: Electrical Engineering

A coaxial cable is made of two conductors, the inner one has radius a and the...

A coaxial cable is made of two conductors, the inner one has radius a and the outer radius is b, both conductors are seperated by a dielectric material with relative permitivity εr  and conductivity σ , what is the conductance per unit length of this insulating material. Show all steps you followed to obtain the final expression.

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