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 obry+cl /(y+ hcurrents of 5.0 A and 8.0rbgo06odsj h,f i5d 8h y;3v6)1xz zyw A in the opposite direction. The wires are separated by 0.30 m. Find the magnetic force per u 0iovod5d38 r g zw6shhxyf; b,1zjy6)nit length between the two wires.
A. $2.7 \times 10^{-5} \; N$ repulsive
B. $7.2 \times 10^{-5} \; N$ repulsive
C. $2.7 \times 10^{-5} \; N$ attractive
D. $7.2 \times 10^{-5} \; N$ attractive
参考答案: A
本题详细解析:
暂无
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