A and B are two point charges kept at a ...

A and B are two point charges kept at a certain distasnce apart. If the charge on A is reduced to one-quarter, that on B doubled and at the same time distance between them reduce to one-half of its previous value, how does the force between them change?

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A and B are two point charges kept at a certain distasnce apart. If the charge on A is reduced to one-quarter, that on B doubled and at the same time distance between them reduce to one-half of its previous value, how does the force between them change?

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