1) a thin ring made of uniformly charged insulating material has total charge q and radius r. the ring is positioned along the x-y plane of a 3d coordinate system such that the center of the ring is at the origin of the coordinate system. (a) determine an expression for the potential at an arbitrary location along the z-axis in terms of q, r, and z. (b) use this expression to determine an expression for the magnitude of the electric field at an arbitrary location along the z-axis in terms of q, r, and z. hint: apply the technique of charge integration in part (a) and poten
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1) a thin ring made of uniformly charged insulating material has total charge q and radius r. the ri...
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