問題詳情

46. A conducting sphere of radius R carries an excess positive charge and is very far from any othercharges. 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)

參考答案

答案：D
難度：計算中-1
書單：沒有書單，新增