Physics Unit20: Magnetism (id: 457f8d7fd)

本题目来源于试卷: Physics Unit20: Magnetism，类别为 通用国际物理

[单选题]
A high power line cai4tp:4;i*ww 3n tuyx urrying 1000 A generates what magnetic fieldwk2awz:c9 sx6 at the ground, 1xs z6kawc:9 2w0 m away?

A. $4.7 \times 10^{-6} \; T$
B. $6.4 \times 10^{-6} \; T$
C. $2.0 \times 10^{-5} \; T$
D. $5.6 \times 10^{-5} \; T$


参考答案:  C


本题详细解析: 暂无

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