本题目来源于试卷: Physics Unit20: Magnetism，类别为 国际高中通用物理
[单选题]
Two long parallel wiru*n zmtu805cr*w1hq x+ nxh x5es placed sidez4b7* qj+rxwo;r :pce-by-side on a horizontal table carry identical current straight toward you. From your point of view, the magnetic +4: qxbe jo*;7rpw zcrfield at the point exactly between the two wires
A. points up.
B. points down.
C. points toward you.
D. is zero.
参考答案: D
本题详细解析:
暂无
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