Two charges 2 nano coulombs and -6 nano ...

Two charges 2 nano coulombs and -6 nano coulombs are separated by 16 cm in air. The resultant electric intensity at the zero potential point which lies in between them and on the line joining them is

`15000 NC^(-1)`

`7500 NC^(-1)`

`450 NC^(-1)`

`1.5 NC^(-1)`

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