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試卷名稱：111年 - 111 臺灣綜合大學系統_學士班轉學生聯合招生考試：普通物理A#125311
年份：111年
科目：研究所、轉學考(插大)◆普通物理學
11. Two identical conducting spheres, "1" and "2", carry equal charge. They are separated by a distance much larger than their diameters. A third identical conducting sphere, "3", is uncharged. Sphere "3" is first touched to "1", then to "2", and finally removed. As a result, the electrostatic force between "1" and "2", which was originally F, becomes:
(A) F/2
(B) F/4
(C) F/18
(D) 3F/8
(E) 0.
