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  4. If vecEax and vecEeq represents electric field at a point on the axial and equatorial line of a dipole. If points are at a distance r from the centre of the dipole, for r >>a

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Q. If $\vec{E}_{ax}$ and $\vec{E}_{eq}$ represents electric field at a point on the axial and equatorial line of a dipole. If points are at a distance $r$ from the centre of the dipole, for $r >>a$

KCETKCET 2016Electric Charges and Fields

Solution:

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The field at axial point of a dipole is double of equatorial point of a dipole.
$\therefore \vec{E} _{\text {axial }}=-2 \vec{E} _{\text {equatorial }}$