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Negatively charge one end of a PVC pipe and put it on a pivot. Bring a...

Negatively charge one end of a PVC pipe and put it on a pivot. Bring a negatively charged PVC near the end of the rod that was not charged on the pivot. What do you observe? Bring a positively charged plexiglass rod near the end of the rod that was not charged on the pivot. What do you observe? Draw diagrams to explain.

Would you observe something different if you repeated this using a metal rod on the pivot..

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