Physics Unit20: Magnetism (id: 61dd8cd59)

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

[单选题]
How much current must passtbbs+c*6 v w)n*w .7 8ammddwf a j vn 4+2u.t)fnspt*+ugk.l(ewxc9x through a 400 turn coil 4.0 cm long to generate a 1.0-T magnetic cltk)a*eu(.j+4ts2nfgn uw +.9vxxp field at the center?

A. $0.013 \; A$
B. $13 \; A$
C. $40 \; A$
D. $80 \; A$


参考答案:  D


本题详细解析: 暂无

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