阿摩線上測驗
11. A conducting sphere of radius R contains a positive charge. Which figure correctly represents the magnitude of the electric field E as a function of the distance r from the center of the sphere?
(A) 
(B)
(C)
(D)
(E)
答案：登入後查看
統計： A(0), B(2), C(0), D(0), E(26) #3101762
統計： A(0), B(2), C(0), D(0), E(26) #3101762
