LTIPL CC. Choose the öhe älternative that best completes the statement or answer

Question

LTIPL CC. Choose the öhe älternative that best completes the statement or answers the question. 1) X and Y are two uncharged metal spheres on insulating stands, and are in contact with each other. A positively charged rod R is brought close to X as shown in Figure (a). Figure (a) Sphere Y is now moved away from X, as in Figure (b) Figure (b) What are the final charge states of X and Y? A X is negative and Y is positive. B) X is positive and Y is neutral. C) Both X and Y are neutral D Both X and Y are negative. E) X is neutral and Y is positive. 2) When two point charges are a distance d part, the electric force that cach one feels from the other has magnitude F. In order to make this force twice as strong, the distance would have to be changed to A d'2. C) d'4 D 2d. E) dN. d.

Explanation / Answer

Due to induction of charge, negative charge will collect at the end of sphere X near the rod R whereas at the opposite end i.e. at sphere Y positive charge will collect. Now when sphere Y will move away it will have the positive charge.

So answer A will be correct.

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