本题目来源于试卷: Physics Unit20: Magnetism,类别为 国际高中通用物理
[单选题]
Two long parallel wi*a1glg/k apb opj72-erep de)0 8s6l,kc4fxdzp w 6o(nys carry currents of 10 A in opposite directions. They are separated by 40 cm. What is the magnetic f,)nf4le(d6dyko8pc0sx 6 pw zield in the plane of the wires at a point that is 20 cm from one wire and 60 cm from the other?
A. $3.3 \times 10^{-6} \; T$
B. $6.7 \times 10^{-6} \; T$
C. $3.3 \times 10^{-5} \; T$
D. $6.7 \times 10^{-5} \; T$
参考答案: B
本题详细解析:
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