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試卷名稱：111年 - 111 國立中興大學_學士後醫學系招生考試_學士後醫學系甲、乙組：物理#107628
年份：111年
科目：學士後西醫-物理
46. A conducting sphere of radius R carries an excess positive charge and is very far from any other
charges. Which one of the following graphs best illustrates the potential (relative to infinity)
produced by this sphere as a function of the distance r from the center of the sphere?
(A)
(B)
(C)
(D)
(E)