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The potential at a point distant x (mesu...

The potential at a point distant x (mesured in `mum` ) due to some charges situated on the x-axis is given by `V (x)=(20)/(x^(2)-4)` V. The electric field at `x=4 mum` is given by

A

`5/3 v/(mu m)` and in positive `x` direction

B

`10/9 v/(mu m)` and in negative `x` direction

C

`10/9 v/(mu m)` and in positive `x` direction

D

`5/3 v/(mu m)` and in negative `x` direction

Text Solution

Verified by Experts

The correct Answer is:
C
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