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Physics Unit21: Electromagnetic Induction & Faraday's Law (id: eb5af8ab9)

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admin 发表于 2024-2-6 11:30:58 | 显示全部楼层 |阅读模式
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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