18 Two conducting spheres are far apart. The smaller sphere carries a total charge Q. The larger sphere has a radius that is twice that of the smaller and is neutral. After
the two spheres are connected by a conducting wire, the charges on the smaller and larger spheres, respectively, are:
(A)Q/2 and Q/2
(B)Q/3 and 2Q/3
(C)2Q/3 and Q/3
(D)zero and Q
(E)2Q and -Q

答案：登入後查看
統計： 尚無統計資料