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1) You approach a negatively charged rubber rod to a grounded conductor without touching it. Then...

1) You approach a negatively charged rubber rod to a grounded conductor without touching it. Then
disconnect the earth What is the sign of the load on the driver once the loaded bar is removed?
2) Place two charges separated from each other by a distance r. Then, each load doubles and the distance between the charges also
doubles. How does the force change between the two charges?

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