本题目来源于试卷: Physics Unit21: Electromagnetic Induction & Faraday's Law,类别为 通用国际物理
[单选题]
A coil lies flat on ; 84wqy 1ywzslfn7a( lvt q .*q5*sa)nrhsh:ta horizontal table top in a regiop6pmt z7vvf3dg-7 -p an where the magnetic field points straight down. The magnetic field disappears suddenly. When vie7p mv6 -ptfd-az73 vgpwed from above, what is the direction of the induced 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
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