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 oel1q2 ed2nna 28vhfs hs6v4 clu 5x(y4f 2 8;d0q*,*5jube iaw7k *tura,pz vcjg 0 A and 5.0 A in opposite directions. The wires are separated by 0.20a jbd*iucz k7j8g5u*v,teaw; ,p0*rq m. At what point between the two wires are the 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:
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