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洛伦兹力及带电粒子在匀强磁场中的匀速圆周运动是磁学的基础,也是高考的重点和热点．近几年高考中出现了大量带电粒子在磁场中运动的考题,本文就这一类问题的规律进行分析．
Lorentz force and the uniform circular motion of charged particles in a uniform magnetic field is the basis of magnetism, and is also the focus and hot spot of college entrance examination. In recent college entrance examinations, there have been a large number of questions on the movement of charged particles in a magnetic field. This paper analyzes the laws of this type of problem.