Questions
A certain charge Q is divided into two parts q and (Q-q). How should the charges Q and q be divided so that q and (Q-q) placed at a certain distance apart experience maximum electrostatic repulsion?
a
Q=q/2
b
Q =2q
c
Q = 4q
d
Q = 3q
detailed solution
Correct option is B
Let two parts of charge Q be divided into q and Q – q
For maximum repulsion
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