Question: A free current I passes through an infinite cylindrical wire of radius a, the current is uniformly distributed over the wire cross-section. Calculate the magnetic

A free current I passes through an infinite cylindrical wire of radius a, the current is uniformly distributed over the wire cross-section. Calculate the magnetic field B at a distance s from the central axis of the cylinder when the wire is a linear medium of magnetic susceptibility Xm. What is the total current (free plus bound) passing through the wire

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