本题目来源于试卷: Physics Unit20: Magnetism，类别为 通用国际物理
[单选题]
A charged particle movy-q+dpl1bvs1huyp , )esu; 4c( pt.nuyu and experiences no magnetic force. From this we can co;(uucunp 4 .tynclude that
A. no magnetic field exists in that region of space.
B. the particle is moving parallel to the magnetic field.
C. the particle is moving at right angles to the magnetic field.
D. either no magnetic field exists or the particle is moving parallel to the field.
参考答案: D
本题详细解析:
暂无
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