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magnet and magnetic field lines (id: 431543f6e)

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admin 发表于 2024-7-29 14:41:13 | 显示全部楼层 |阅读模式
本题目来源于试卷: magnet and magnetic field lines,类别为 美国物理杯赛(Physics Bowl)

[单选题]
97.02: An electric current flows through a horizontal wire from left to rl fu8)a;c(c gbid*+6uv lqsm 3wght as shown in the accompanying diagram. Which option best repm 6l *q3w+uvsdresents the direction of the magnetic field at point P?



A. into the page
B. out of the page
C. to the right of the page
D. toward the top of the page
E. toward the bottom of the page


参考答案:  A


本题详细解析: 暂无

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