本题目来源于试卷: Physics Unit20: Magnetism，类别为 通用国际物理
[单选题]
A velocity selector consists ouzj(rb 5l*4 lff a charged particle passing through crossed elb*oj 5a xev*u l b)v-03c)xgxqectric and magnetic fields. The forces exerted by these fields are in opposite directions, and only particles of a certain velocity will move in a straight line. In the following, disregard the magnitudes of the fields. In a velocity selector, the particles move toward the east, and the magnetic field i5cebqa)x- v0)og lj 3buxx**vs directed to the north. What direction should the electric field point?
A. east
B. west
C. up
D. down
参考答案: D
本题详细解析:
暂无
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