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A point Q lies on the perpendicular bise...

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

A

`p^-1 and r^-2`

B

`p and r^-2`

C

`p^2 and r^-3`

D

`p and r^-3`

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