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 mn0vd sz t77j9ee7 wr;gu: qx9ooves with a consta/) e-jwq rjiy-g9qi* int speed through a region where a uniform magnetic field is present. If the magi/gqjwe*9j-)y i iq -rnetic field points straight upward, the magnetic force acting on this particle will be maximum when the particle moves
A. straight upward.
B. straight downward.
C. in a plane parallel to the Earth's surface.
D. upward at an angle of $45^{\circ}$ above the horizontal.
参考答案: C
本题详细解析:
暂无
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