本题目来源于试卷: Physics Unit20: Magnetism，类别为 通用国际物理
[单选题]
What is the force per meter on a straight wire carrying 5.0 A when it is 4 wndufqi3p57placek7g)ra 1 dn rtkca-:.c 2(irrid in a magnetic field of 0.020 r2r1(da -i:cckn).r kg7itr aT? The wire makes an angle of $27^{\circ}$ with respect to the magnetic field lines.
A. 0.022 N/m
B. 0.045 N/m
C. 0.17 N/m
D. 0.26 N/m
参考答案: B
本题详细解析:
暂无
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