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Physics Unit21: Electromagnetic Induction & Faraday's Law (id: a7bb44725)

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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 pm ,eix/pfny(-j2b1w 5uagu +a)ld* von a horizz jxs *dcq9u su 44i5hne0f7h*ontal table. A bar magnet is held above its center with its north pole 4ncq5zdh47ux0*f j *9ss euhipointing down. The stationary 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 given.


参考答案:  A


本题详细解析: 暂无

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