The magnetic vector potential (A) inside a long wire of radius R is given by A=-ks2....

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The magnetic vector potential (A) inside a long wire of radius R is given by A=-ks2. Where 's' is the distance from the axis of the wire. The current density (1) inside the wire at a distance 's' from the axis is: O O 4k Ho 2k Hos 1 Hos 2k N 2 Mos z The magnetic vector potential (A) inside a long wire of radius R is given by A=-ks2. Where 's' is the distance from the axis of the wire. The current density (1) inside the wire at a distance 's' from the axis is: O O 4k Ho 2k Hos 1 Hos 2k N 2 Mos z