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 wires placedq:ub.hqw(fr3 9 kl7 sm side-by-sidha1x 0u*q6b 7fipd 6; 0lybeshe on a horizontal table carry identical size currents in opposite directions. The wire on your right carries current toward you, and the wire on your left cu bbd6i 6sxfeqhhp*7y;al 100 arries current away from you. From your point of view, the magnetic field at the point exactly midway between the two wires
A. points up.
B. points down.
C. points toward you.
D. is zero.
参考答案: B
本题详细解析:
暂无
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