Distributed around a thin plastic ring with radius

Reference no: EM13562348

A charge Q is uniformly distributed around a thin plastic ring with radius R lying in a yz plane with the ring center at the origin. A point charge with value q is located on the x axis at point x1. How much work must an external force do on the point charge to move it to the origin? State your answer in terms of the given variables, using e0 if necessary.

Reference no: EM13562348

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