A) \[{{r}^{-2}}\]
B) \[{{r}^{3}}\]
C) \[{{r}^{2}}\]
D) r
Correct Answer: A
Solution :
We know that the potential due to dipole at a distance r from the centre of dipole \[V=\frac{1}{4\pi {{\varepsilon }_{0}}}\frac{P}{{{r}^{2}}}\Rightarrow V\propto \frac{1}{{{r}^{2}}}\] \[V\propto {{r}^{-2}}\]
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