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A charge \[Q\] is divided into two parts of \[q\] and \[Q - q\]. If the coulomb repulsion between them when they are separated is to be maximum, the ratio of \[\frac{Q}{q}\] should be

Electrostatics

Question: A charge \[Q\] is divided into two parts of \[q\] and \[Q - q\]. If the coulomb repulsion between them when they are separated is to be maximum, the ratio of \[\frac{Q}{q}\] should be


1) 2
2) \[1/2\]
3) 4
4) \[1/4\]
Solution: Explanation: 1e

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