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Physics Unit21: Electromagnetic Induction & Faraday's Law (id: 2f1223e95)

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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 horizontal metal bar- f(11u o1haqnn0nrfw that is(5 om)u e *wrskmy53ig 2.0 m long rotates at a constant angular velocity of 2.0 rad/s about a vertical axis through one of its ends while in a constant magnetic fieloy )rs3m55*ke miug(w d of $5.0 \times 10^{-5} \; T$. If the magnetic field vector points straight down, what $emf$ is induced between the two ends of the bar?

A. $5.6 \times 10^{-3} \; V$
B. $3.0 \times 10^{-3} \; V$
C. $2.0 \times 10^{-4} \; V$
D. $1.6 \times 10^{-4} \; V$


参考答案:  C


本题详细解析: 暂无

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