本题目来源于试卷: Physics Unit20: Magnetism，类别为 通用国际物理
[单选题]
An electron has an initial velo0t/ -0ed xmd4lm6 vs i m;q.6b1qempqrcity to the south but is observed to curve upwardd 60dm 6/0bp.4mq-mtsie qex1vl m qr;hp4xyskg6 -,e as the result of a magnetic field. The direc-4k ,syhg6 xeption of the magnetic field is
A. to the west.
B. to the east.
C. upward.
D. downward.
参考答案: A
本题详细解析:
暂无
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