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 carry currents of 20 A and 5.0 :kmrx-qm 2/8dh 3paxz A in opposite direction*j*xd8h.v9olehi72v ,sxdmoyl8m p) s. The wires are separated by 0.20 m. At what point between the two wires are thedji*x8)mhod p79o y8., svhl 2lmx *ev contributions from the two wires the same?
A. 0.040 m from the 20 A wire
B. 0.080 m from the 20 A wire
C. 0.12 m from the 20 A wire
D. 0.16 m from the 20 A wire
参考答案: D
本题详细解析:
暂无
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