Spheres 1, 2, and 3 are three identical conducting spheres t…
Spheres 1, 2, and 3 are three identical conducting spheres that have been placed on top of insulating stands. Sphere 3 is connected to ground and is initially neutral, while spheres 1 and 2 each have an initial positive charge. The spheres are far enough apart that they do not affect the charge distribution on each other. A student brings the spheres in contact with each other, two at a time, in the following order. Sphere 1 is brought into contact with Sphere 2 and then returned to its initial position. Sphere 2 is brought into contact with Sphere 3 and then returned to its initial position. Which of the following correctly relates the final net charges Q1, Q2, and Q3 of the three spheres?
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