Two small hollow metal spheres hung on insulating threads repel one another as s

Question

Two small hollow metal spheres hung on insulating threads repel one another as shown. It is known that a positively charged rod will attract ball A. Which of the statements can be correctly concluded about the charge on the balls? A) Ball A has a positive charge B) Ball B has a negative charge C) Ball A is neutral D) Ball A and Ball B have the same charge A negatively charged rod is brought close to, but does not touch the metal top of an electroscope. Which of the following describes the behavior of the electroscope's foil leaves? will both have a negative charge they will have opposite charges will both have a positive charge will be uncharged A) The foil leaves will separate since they B) The foil leaves will attract each other as C) The foil leaves will separate since they D)The foil leaves will not move as they

Explanation / Answer

6. From the given information we can conclude option D) that both the balls have the same charge.

7. A) The foild leaves seperate because they will become negatively charged due to induction from the negatie charged rod.

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