1.

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 [MP PET 1997]

A.          2
B.          \[1/2\]
C. 4  
D.          \[1/4\]
Answer» B.          \[1/2\]


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