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 circular coil lies flat on a horizonta).-s2ognwa6r*pc s oevu4pv/2h p ud- l table. A bar magneclwkuj5nsx; x(9-lzn/ ;hg 0 qt is held above its center with its north pole pointing down, and released. As it approaches the c j5s0gl zq( k;h nxx;/nc-w9uloil, the falling magnet induces (when viewed from above)
A. no current in the coil.
B. a clockwise current in the coil.
C. a counterclockwise current in the coil.
D. a current whose direction cannot be determined from the information provided.
参考答案: C
本题详细解析:
暂无
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