Electrostatics

Question: A point $Q$ lies on the perpendicular bisector of an electrical dipole of dipole moment $p$. If the distance of $Q$ from the dipole is $r$ (much larger than the size of the dipole), then electric field at $Q$ is proportional to

1) ${p^{ - 1}}$ and ${r^{ - 2}}$

2) $p$ and ${r^{ - 2}}$

3) ${p^{ - 1}}$ and ${r^{ - 2}}$

4) $p$ and ${r^{ - 3}}$

Solution:

Explanation: Explanation

electric-dipole

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