You can give a rubber rod a negative charge by rubbing the rod w/ wool. What happens to the charge of the wool. why?
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For SAT II Physics, you need only remember the old phrase: opposites attract. ... A positive charge and a negative charge will attract one another. ... Rubbing a rubber rod with a piece of wool: The rod will pull the electrons off the ... When a positively charged object approaches the metal bulb, the exact opposite happens , but ... . |
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