試卷名稱:111年 - 111 學士後醫學系招生考試:物理及化學#107629
年份:111年
科目:學士後◆化學
52. A charge +q is at the position a and a second charge – q is placed at – a as shown in the figure. What is the limiting form of the electric field for x ≫ a? (Coulomb’s constant is
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(A)
(B)
(C)
(D)
(E)