Two point charge +2 C and +6 C repel eac...

Two point charge `+2 C` and `+6 C` repel each other with a force of `12 N` . If a charge of `-2 C` is given to each other of these charges , the force will now be

A

zero

B

`8 N` (attractive)

C

`8 N` (repulsive)

D

none

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