The electric field at a point on the equatorial plane at a distance \( r \) from the centre of a dipole having dipole mo…

\( \overrightarrow{\mathrm{E}}=\frac{2 \overrightarrow{\mathrm{P}}}{4 \pi \epsilon_{0} \mathrm{r}^{3}} \)

\( \overrightarrow{\mathrm{E}}=-\frac{\overrightarrow{\mathrm{P}}}{4 \pi \epsilon_{0} \mathrm{r}} \)

\( \overrightarrow{\mathrm{E}}=-\frac{\overrightarrow{\mathrm{P}}}{4 \pi \epsilon_{0} \mathrm{r}^{3}} \)

\( \overrightarrow{\mathrm{E}}=\frac{\overrightarrow{\mathrm{P}}}{4 \pi \epsilon_{0} \mathrm{r}^{3}} \)