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AP Physics 2
10.2 Conservation of Electric Charge and the Process of Charging
AdvancedMCQMathematicalConceptual13.6k
Three identical conducting spheres on insulating stands with initial charges.
Three identical conducting spheres on insulating stands with initial charges.
Three identical isolated conducting spheres, A, B, and C, are mounted on insulating stands. Initially, sphere A carries a charge of \(+4Q\), sphere B carries a charge of \(-2Q\), and sphere C carries a charge of \(+2Q\). The following sequential operations are performed:

1. Sphere A is brought into contact with sphere B and then separated.
2. Sphere B is then brought into contact with sphere C and then separated.
3. Sphere C is then brought into contact with sphere A and then separated.

What are the final charges \(Q_A\), \(Q_B\), and \(Q_C\) on spheres A, B, and C, respectively?

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