Electric Field Due to a Ring of Charge, Linear Charge Density, Physics Practice Problems

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This physics video tutorial explains how to calculate the electric field of a ring of charge. It explains why the y components of the electric field cancels and how to calculate the linear charge density given the total charge of the ring, the radius, and the distance between the center of the ring and a point P that lies on the x axis perpendicular to the surface of the ring. This video contains plenty of examples and practice problems.

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