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AP Physics C: E&M
13.4 Inductance
13.1 Magnetic Flux
IntermediateMCQMathematical16.6k
Cross section of the coaxial cable carrying current \(I\).
Cross section of the coaxial cable carrying current \(I\).
A long coaxial cable consists of a thin cylindrical inner conductor of radius \(a\) and a thin coaxial outer conducting shell of radius \(b\). Equal and opposite currents \(I\) flow uniformly along the inner and outer conductors. Which of the following expressions represents the self-inductance per unit length \(L/\ell\) of the coaxial cable?

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