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

The potential at a point x(measured in `mum`) due to some charge situated on the x-axis, is given by `v(x)=20//(x^2-4)` volt. The electric field E at x=`4mum` i9s given by

A

`5/3V mu m^-1` and in the negative x-direction.

B

`5/3V mu m^-1` and in the negative x-direction.

C

`10/9V mu m^-1` and in the negative x-direction.

D

`10/9V mu m^-1` and in the positive x-direction.

Text Solution

Verified by Experts

The correct Answer is:
D
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