Question

A positively charged rod is brought in contact with the brass cap of a
charged electroscope. As a result, the leaves of the electroscope move
close to each other. What is the charge on the electroscope?
1. Positive
2. Neutral
3. Negative
4. Depends on the distance between the electroscope and the rod.​

Answer 1

Answer:

The greater the charge, the farther apart they move. When a positively charged object is brought near the knob, the electrons in the leaves move towards the other end being attracted by the rod. Thus the leaves lack electrons and both become positively charged and thus push each other apart

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