from a homework
Degree Level: Pre-College
Question:
Three identical conducting spheres are on insulated stands and are not touching one another initially. Sphere A has a charge of +10 µC, Sphere B has a charge of -6 µC, and Sphere C has a charge of -4 µC. Sphere A contacts Sphere B, and they are separated. Next, Sphere B contacts Sphere C, and they are separated. What is the final charge on Sphere C?
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