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]
99.04: If conventional (positive) electric 6v 9(z-fdmocjcurrent flows from left to right i + /6emyfvt4vh*gy8fl n a wire as shown in the diagram, what is the direction of the magneti f46/lvyh+ f8t e*gvymc field at point P?
A. toward top of paper
B. towards bottom of paper
C. into paper
D. out of paper
E. to the right
参考答案: C
本题详细解析:
暂无
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