11. Two spherical shells, A and B, surround an isolated charged point particle. Given that the radius of shell A is twice that of the radius of shell B, what is the ratio between the electric flux through shell A and the electric flux through shell B?
(A) 4
(B) 2
(C) 1
(D) 1/2
(E) 1/4
答案:登入後查看
統計: 尚無統計資料
統計: 尚無統計資料