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Two point charges repel each other with ...

Two point charges repel each other with a force of 100N. One of the charges is increased is increased by 10% and the other is reduced by 10% . The new force of repulsion at the same distance would be

A

`100 N`

B

`21 N`

C

`99 N`

D

None of these

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The correct Answer is:
C
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