A point Q lies on the perpendicular bis...

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

`p^(2)andr^(-3)`

`pandr^(-2)`

`p^(-1)andr^(-2)`

`pandr^(-3)`

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