A) 2
B) \[1/2\]
C) 4
D) \[1/4\]
Correct Answer: A
Solution :
Let separation between two parts be r Þ \[F=k.q\frac{(Q-q)}{{{r}^{2}}}\] For F to be maximum \[\frac{dF}{dq}=0\] Þ \[\frac{Q}{q}=\frac{2}{1}\]You need to login to perform this action.
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