**Understanding Stored Magnetic Energy in Coaxial Cables**A coaxial cable consists of an inner conductor with a radius \( a \) and an outer thin cylindrical shell with a radius \( b \). A steady current \( I \) flows through the inner conductor and returns through the outer conductor. This setup can be analyzed in two different cases, A and B, to examine how the current distribution affects the stored magnetic potential energy.**Case A:** The current in the inner conductor is distributed only on the surface.**Case B:** The current in the inner cylinder is uniformly distributed over its cross-section.**Question:** How does the amount of stored magnetic potential energy compare between cases A and B?The possible answers are:- \( \circ \) Case B has more stored energy- \( \circ \) It is impossible to say without knowing how much bigger radius \( b \) is than radius \( a \)- \( \circ \) Case A has more stored energy- \( \circ \) Case A and Case B have the same amount of stored energyConsiderations need to be made regarding the magnetic field distribution and energy density in each configuration to determine the correct answer.

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Answered: A coaxial cable has an inner conductor…

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