AP Physics 2
10.2 Conservation of Electric Charge and the Process of Charging

Step 1: Sphere \(X\) is brought into momentary contact with Sphere \(Y\) and then separated.
Step 2: Sphere \(Y\) is then brought into momentary contact with Sphere \(Z\) and then separated.
Step 3: Finally, Sphere \(Z\) is brought into momentary contact with Sphere \(X\) and then separated.
| Final Charge on Sphere \(X\) | Final Charge on Sphere \(Y\) | Final Charge on Sphere \(Z\) | |
|---|---|---|---|
| (A) | \(+6Q\) | \(+4Q\) | \(+4Q\) |
| (B) | \(+5Q\) | \(+4Q\) | \(+5Q\) |
| (C) | \(+6Q\) | \(-2Q\) | \(+10Q\) |
| (D) | \(+\dfrac{14}{3}Q\) | \(+\dfrac{14}{3}Q\) | \(+\dfrac{14}{3}Q\) |
Which row in the table correctly identifies the final electric charge on each sphere?
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