本题目来源于试卷: Physics Unit20: Magnetism，类别为 通用国际物理
[单选题]
Two long parallel wires q .m25ba0vcpi fri4rpq93 b-cplaced side-by-side on a horizontal tajam7m 9nxqqc95/cu+: l lyyt /ble carry identical current straight toward you. From your poclmq7ul yjc/m 59y +tan/q:9x int of view, the magnetic field 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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