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Physics Unit21: Electromagnetic Induction & Faraday's Law (id: ce63ea080)

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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 coil lies flat on ak-d7q1r : pc*fr(5yihq 9wq hb table top in a region wq1x)+xl upr . c9hqg67s egr6bhere the magnetic field vector points straight up.lr xxc+b 1p7q)sh9u6er.6g g q The magnetic field vanishes suddenly. When viewed from above, what is the sense of the induced current in this coil as the field fades?

A. The induced current flows counterclockwise.
B. The induced current flows clockwise.
C. There is no induced current in this coil.
D. The current flows clockwise initially, and then it flows counterclockwise before stopping.


参考答案:  A


本题详细解析: 暂无

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