An electric dipole consist of point charges q1=+12nC and q2= -12nC placed 10.0 cm apart. Compute the electric potential energy.
The electrical potential energy
"W=k\\frac{q_1q_2}{r}\\\\\n=9*10^9*\\frac{12*10^{-9}*(-12*10^{-9})}{0.1}=-1.3*10^{-5}\\:\\rm J"
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