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Physics Unit21: Electromagnetic Induction & Faraday's Law (id: d9521266e)

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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 square coil of wire wirpg;* syt hmmx6t5d;.th 15 turrsfhzl l ea7zt3z ey1/(3u/hr-f;nf; ns and an area of $0.40 \; m^{2}$ is placed parallel to a magnetic field of 0.75 T. The coil is flipped so its plane is perpendicular to the magnetic field in 0.050 s. What is the magnitude of the average induced $emf$?

A. $6.0 \; V$
B. $36 \; V$
C. $45 \; V$
D. $90 \; V$


参考答案:  D


本题详细解析: 暂无

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