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Magnetic Field Due to a Straight Current Carrying Conductor

A long straig...

Question

A long straight cylindrical wire of radius R carries a current distributed uniformly over its cross section. Find the locations where magnetic field is maximum and minimum

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Solution

According to the question we have, a long cylindrical wire of radius R , and it carries a current distributed unifromly over its cross section,
Then the maginitude of the magnetic field is minimum at the axis of the wire.
Magnetic field is maximum at the surface of the wire.

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