1.

Intensity of an electric field E due to a dipole, depends on distance r as                                  [Pb. PMT 2004]

A.            \[E\propto \frac{1}{{{r}^{4}}}\]                                        
B.            \[E\propto \frac{1}{{{r}^{3}}}\]
C.                    \[E\propto \frac{1}{{{r}^{2}}}\]
D.                                      \[E\propto \frac{1}{r}\]
Answer» C.                    \[E\propto \frac{1}{{{r}^{2}}}\]


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