Derive an expression for the electric field

Reference no: EM13244122

Three charges are on the y-axis. Two of the charges, each ?2q, are locatedy=±d, and the third charge, +4q, is located at y=0. Derive an expression for the electric field at a point P on the x-axis (i.e. a point a distance P from the origin along the x-axis).

Reference no: EM13244122

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