本题目来源于试卷: magnetic force，类别为 美国物理杯赛(Physics Bowl)
[单选题]
06.37: For the four i +pm 8q87m oqlpdentical current-car yl5 e4*nx3g7lz*x vssrying wires shown (with conventional current coming out of the plane of the page), the wi 7 s4 ex5snl*g vy*zx3lre on the right is labeled P. What is the direction of the magnetic force on the wire labeled P from the other wires?
A. To the left
B. To the right
C. Up the plane of the page
D. Down the plane of the page
E. There is no force.
参考答案: A
本题详细解析:
暂无
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