If $\vec{E}_{ax}$ and $\vec{E}_{eq}$ represent the electric field at a point on the axial and equatorial lines of a dipole respectively,at a distance $r$ from the center of the dipole,where $r >> a$,which of the following relations is correct?
- A$\vec{E}_{ax} = \vec{E}_{eq}$
- B$\vec{E}_{ax} = -\vec{E}_{eq}$
- C$\vec{E}_{ax} = -2\vec{E}_{eq}$
- D$\vec{E}_{eq} = 2\vec{E}_{ax}$
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$A$ point $Q$ lies on the perpendicular bisector of an electric dipole with dipole moment $p$. If the distance of $Q$ from the dipole is $r$ (where $r$ is much larger than the size of the dipole),then the electric field at $Q$ is proportional to:
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