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A given charge is situated at a certain ...

A given charge is situated at a certain distance from an electric dipole in the end - on position experiences a force F.
If the distance of the charge is doubled , then the force acting on the charge will be

A

`F/2`

B

2F

C

`F/8`

D

`F/4`

Text Solution

Verified by Experts

The correct Answer is:
C
`F= qE= qxxkxx(2p)/r^3`
`:.Fprop1/r^3`
where r is doubled,
`F_1 prop 1/(2r)^3=1/8` times F
`F_1 = F/8`
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