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The potential at a point x ( measured in...

The potential at a point x ( measured in `mu` m) due to some charges situated on the x-axis is given by
`V(x)=20//(x^2-4) vol t`

A

`(5)/(3) (V)/(mum)` and in the positive x-direction.

B

`(10)/(9) (V)/(mum)` and in the negative x-direction.

C

`(10)/(9) (V)/(mum)` and in the positive x-direction.

D

`(5)/(3) (V)/(mum)` and in the negative x-direction.

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