Question: A rod is negatively charged by rubbing it with fur. It is brought near another rod of unknown composition and charge. There is a repulsive

A rod is negatively charged by rubbing it with fur. It is brought near another rod of unknown composition and charge. There is a repulsive force between the two.
(a) Is the first rod an insulator or a conductor? Explain.
(b) What can you tell about the charge of the second rod?

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