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A force of 2.5N is experienced by a poin...

A force of 2.5N is experienced by a point charge of `5 xx 10^(-6)C` at a point in an electric field. The potential gradient at that point in SI unit is

A

`5 xx 10^(5)N//C`

B

`5 xx 10^(-5)V//m`

C

`-5 xx 10^(5)N//C`

D

`-5 xx 10^(-5)V//m`

Text Solution

Verified by Experts

The correct Answer is:
A
Given force, F= 2.5N and charge, `q= 5 xx 10^(-6)C`
`therefore` Potential gradient, can be given as
`(dV)/(dr)= E = (F)/(q)`
`rArr (dV)/(dr)= (2.5)/(5 xx 10^(-6))=5 xx 10^(5)N//C`
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