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 carrying 1000 A generat) /gthbq/yc7y5 p pow4ow5 )h9lm/ z+gd kv3tres what magnetic field at the grou ;gc3ebeyid 5ss;mf2l.s.cp0b 1(c mk nd, 10 m a 2pf 0scsbd .gyc(5.msl ;3mb1;eceikway?
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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