問題詳情

3.A circular loop of wire, with radius R,lies in the yz plane, centered at the origin, and carries a steady current I running counterclockwise as viewed from the positive jc axis ‘
(a)Find the magnetic field a distance x above the center of the circular loop.

參考答案

答案:D
難度:適中0.501597
統計:A(60),B(56),C(1),D(157),E(0)

內容推薦