本题目来源于试卷: Physics Unit20: Magnetism，类别为 国际高中通用物理
[单选题]
A charged particle md 2hu7nq:4whao ai :r,oves and experiences no may (aie;;7.6ugsqy eklgnetic force. From this we can conclude; uyl ;qie .6(syak7ge 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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