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 1yqu6i*uwgi ms p0+ s75itp j2thro 2mokg:b g-, nqugh a horizontal wire from left to right as shown i :n2o bqg m,-gkn the accompanying diagram. Which option best represents 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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