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A total charge \( Q \) is broken in two parts \( Q_{1} \) and \( Q_{2} \) and they are placed at a distance \( \mathrm{R} \) from each other. The maximum force of repulsion between them will occur,
\( P \) when

W
(1) \( Q_{2}=\frac{Q}{R}, Q_{1}=Q-\frac{Q}{R} \)
(2) \( Q_{2}=\frac{Q}{4}, Q_{1}=Q-\frac{2 Q}{3} \)
(3) \( Q_{2}=\frac{Q}{4}, Q_{1}=\frac{3 Q}{4} \)
(4) \( Q_{1}=\frac{Q}{2}, Q_{2}=\frac{Q}{2} \)
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