問題詳情
【題組】
(A)
(B)
(C)
(D)
(E)none of the above.
15. The uniform surface charge density on an infinitely long strip of finite width 2a is σ. Calculate the electric field at a distanceb from the center of the metallic plane, as the point P in Fig. 1.
(A)
(B)
(C)
(D)
(E)none of the above.