15. A hollow conductor is positively charged. A smalluncharged metal ball is low

Question

15. A hollow conductor is positively charged. A smalluncharged metal ball is lowered by a silk thread through a small opening in the top of the conductor andallowed to touch its inner surface. After the ball is removed, it will have: A) a positive charge B) a negative charge C) no appreciable charge D) a charge whose sign depends on what part of the innersurface it touched E) a charge whose sign depends on where the small hole islocated in the conductor 15. A hollow conductor is positively charged. A smalluncharged metal ball is lowered by a silk thread through a small opening in the top of the conductor andallowed to touch its inner surface. After the ball is removed, it will have: A) a positive charge B) a negative charge C) no appreciable charge D) a charge whose sign depends on what part of the innersurface it touched E) a charge whose sign depends on where the small hole islocated in the conductor

Explanation / Answer

as the  conductor will have all its charge on the outer surface only the metal ball will have no appreciable charge

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