問題詳情

56. Given a non-uniform charge distributionρ(r)= alr (C/m3) between twoconcentric spheres of radius R and 2R,and it is enclosed by a thin metalspherical shell of radius 2R (negligiblethickness) as shown in Fig. 10, what is thesurface charge density on the inner surface of the metal shell?


(A)


(B)


(C)


(D)


(E)

參考答案

答案：A
難度：計算中-1
書單：沒有書單，新增