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If the distance between two charges is i...

If the distance between two charges is increased by three times, then force between them is

A

increased by 3 times

B

decreased by 3 times

C

increased by 9 times

D

decreased by 9 times

Text Solution

Verified by Experts

The correct Answer is:
D
As `F prop (1)/(r^(2))`
`rArr (F_(1))/(F_(2))=((r_(2))/(r_(1)))^(3)=((3)/(1))^(2)`
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