A charge q=-2nc is placed at (1m, 2m, 3m...

A charge q=-2nc is placed at (1m, 2m, 3m). There is a point P(2m, -3m, 4m). A unit vector in the direction of electric field at 'P' due to charge q will be

A

`1/(3sqrt3)(veci-5vecj+veck)`

B

`1/(3sqrt3)(-veci+5vecj-veck)`

C

`1/(5sqrt2)(3veci-4vecj+5veck)`

D

`1/(5sqrt2)(-3veci+4vecj-5veck)`

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The correct Answer is:

B

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