Question: 7. A long cylindrical wire of radius a, has current density flowing in the direction of its length given by J = Jo(e)k, where

7. A long cylindrical wire of radius a, has current density flowing

7. A long cylindrical wire of radius a, has current density flowing in the direction of its length given by J = Jo(e)k, where r is the distance from the axis of the cylinder. Find the magnetic field inside, and outside the cylinder.

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