A disk of radius R has a hole in the center of radius

Reference no: EM13540657

A disk of radius R has a hole in the center of radius a (like an audio compact disk). If the disk holds a uniform surface charge ?, determine the expression for the electric field at a point P that lies along the central perpendicular axis of the disk and a distance x from the center of the disk as shown in the figure above.

Reference no: EM13540657

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