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 moving along ;+ry uw.vve0v8a xu y,the +x axis enters a region whe.e)jc 4hfsbb( re there is a uniform magnetic field in the +y direction. What is the direction of the magnetic force eb 4cb s)(fj.hon the electron? (+x to right, +y up, and +z out of the page.)
A. +z direction
B. -z direction
C. -y direction
D. -x direction
参考答案: B
本题详细解析:
暂无
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