Question

The figure below shows three charges at the corners of an isoscleles triangle. The plus 3 mu C and negative 3 mu C charges form a dipole. Calculate the force negative 8 mu C charge exerts on the dipole.

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Answer 1

A point charge q equals plus 6 n Cis surrounded by an imaginary sphere of radius r equals 40 space c mcentered on the charge as shwon in figure below.