本题目来源于试卷: Physics Unit20: Magnetism，类别为 通用国际物理
[单选题]
The force on a current-carrying wiy687;ukrc iw p6,pzmsre i7f4;/tq; 7 rp0 y2pycvex vvuen a magnetic field is the strongest when
A. the current is parallel to the field lines.
B. the current is at a $30^{\circ}$ angle with respect to the field lines.
C. the current is at a $60^{\circ}$ angle with respect to the field lines.
D. the current is perpendicular to the field lines.
参考答案: D
本题详细解析:
暂无
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