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 a x/6no tah;h1q;bz ;bh le 02unir ,/*waxti;n rvvel table top in a region where the magnetic field vector points straight up. The magnetic field suddenly grows stronger. When viewed from ui,wv nrnitr20*a/;x above, what is the direction of the induced current in this coil as the field increases?
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
|