Find the electric potential at a point due to an electric dipole
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Electrostatic potential at a point due to an electric dipole
Consider two equal and opposite charges separated by a small distance 2a as shown in Figure 1.26. ...
Potential at P due to charge +q =
Potential at P due to charge –q=
Total potential at the point P,
By the cosine law for triangle BOP,
Since the point P is very far from dipole, then r>>a.
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