A small metal ball hangs from the ceiling by an insulating thread. The ball is attracted to a positively charged rod held nearthe ball. The charge of the ball must be (a) positive. (b) negative. (c) neutral. (d) positive or neutral. (e) negative or neutral.
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Home » Physics » A small metal ball hangs from the ceiling by an insulating thread. The ball is attracted to a positively charged rod held nearthe ball. The charge of the ball must be (a) positive. (b) negative. (c) neutral. (d) positive or neutral.