A total charge Q is broken in two parts Q1 and Q2 and they are placed at a distance R from each other. The maximum force of repulsion between them will occur, when
A. Q₂=Q/R,Q₁=Q−Q/R
B. Q₂=Q/4,Q₁=Q−2Q/3
C. Q₂=Q/4,Q₁=3Q/4
D. Q₁=Q/2,Q₂=Q/2