The electric intensity due to a dipole o...

The electric intensity due to a dipole of length `10 cm` and having a charge of `500 muC`, at a point on the axis at a distance `20 cm` from one of the charges in air is

`6 . 25 xx 10^(7) N//C`

`9 . 28 xx 10^(7) N//C`

`13 . 1 xx 10^(11) N//C`

`20 . 5 xx 10^(7) N//C`

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