AP® Physics 1 & 2

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Metal Ball

APPH12-VBVEEK

Consider the electroscope shown in the image. A positively charged rod is brought near the metal ball at the top of the electroscope.

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What is the charge of the rod and charge of the metal ball after the rod has been held near the ball for a few moments?

A

Rod: Positive; Metal Ball: Positive

B

Rod: Positive; Metal Ball: Negative

C

Rod: Negative; Metal Ball: Positive

D

Rod: Negative; Metal Ball: Negative