本题目来源于试卷: Physics Unit21: Electromagnetic Induction & Faraday's Law,类别为 国际高中通用物理
[单选题]
A coil lies flat on antmn k(xp,i8 lh +:jn) horip04n :hkmu:a :uimu.kzontal table top in a region where the magnetic field points straight down. The magnetic field disappears suddenly. When viewed from above, what is the direction of the indu ku0:haummpi4 nu k::.ced current in this coil as the field disappears?
A. counterclockwise
B. clockwise
C. clockwise initially, then counterclockwise before stopping
D. There is no induced current in this coil.
参考答案: B
本题详细解析:
暂无
|