本题目来源于试卷: Physics Unit20: Magnetism，类别为 通用国际物理
[单选题]
A very long straight wire carries a current of 25rf;q 6q9 + csb4n+gdgw9 9dig4gqpdg7 A. What c8p8sbu)t rd9c2,n3pkjt2i w d*1u gdis the magnitude of the magnetic field w c)pp2 t8ddbi9kjg tdu*c,s r8u312nat a distance of 0.15 m from the wire?
A. $3.3 \times 10^{-5} \; T$
B. $6.6 \times 10^{-5} \; T$
C. $3.3 \times 10^{-6} \; T$
D. $6.6 \times 10^{-6} \; T$
参考答案: A
本题详细解析:
暂无
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