Two point charges of + 5 mu C are so pla...

Two point charges of `+ 5 mu C` are so placed that they experience a force of `8 xx 10^-3` N. They are then moved apart, so that the force is now `2 xx 10^-3` N. The distance between them is now

A

`1//4` the previous distance

B

double the previous distance

C

four times the previous distance

D

half the previous distance

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