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]
An electron moving along t 4 r -qe3kj*.pxc-ojsihe +x ( uv0fy3 i- +fbrrb5amh 5ep3vaxis enters a region where there is a uniform magnetic field in the +y drhfb(vb- 5 3f5+v r yam3pi0euirection. What is the direction of the magnetic force on 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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