Physics

25 March, 06:22

Total charge is uniformly distributed on a spherical surface of radius R. The sphere is centered at the origin and spins around the z axis with angular velocity 0. Assume magnetic permeability u, everywhere. (a) Show that away from the spherical surface, the magnetic field can be expressed as H=-V Oy, with Voy=0. (b) Find the surface current density K and the boundary conditions for the magnetic induction B at r=R. (C) Find y inside and outside of the sphere. (d) Find B inside the sphere.

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