Three spheres have the following net charges. Sphere A: +8 C
Sphere B: -12 C
Sphere C: +4C
The three spheres touch each other in random order. Each sphere
touches at least one other sphere. Which of the following could be
the final net charges of the spheres?
(A) O-2 C; +1 C; +1 C
(B) 0-4 C; 0 C; -4C
(C) OC; 0 C; -8 C
(D) 0-1 C; +2 C; -1 0