Metal balls A, B and C are charged in various ways. Once charged it is found tha
ID: 2224686 • Letter: M
Question
Metal balls A, B and C are charged in various ways. Once charged it is found that A and B repel each other and that B and C also repel each other. From this we can conclude that a. One of the balls has zero charge. b. We would have to do more tests to determine anything about the charges. c. A and C have charges of the same sign, but B has the opposite sign. d. All three metal balls carry charges of the same sign. e. A and B have charges of opposite sign, and B and C have charges of the opposite sign.Explanation / Answer
A and B have charges of the same sign. Repel. B and C have charges of the same sign. Repel. Therefore, d. All three metal balls carry charges of the same sign.