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利用电场和磁场来控制带电粒子的运动,是一项重要的物理应用技术,也是中学物理的重要内容.此类问题往往信息量多.知识和方法的综合性强,能力要求高,是教学中的一个重难点,又是高考的热点内容.本文对此类问题作了归类剖析,以供读者参考.
The use of electric and magnetic fields to control the motion of charged particles is an important physical application technology and is also an important content of middle school physics. Such problems often have a large amount of information. The comprehensive knowledge and methods, and high ability requirements are teaching. One of the most difficult and difficult points in the college entrance examination is the content of the college entrance examination. This article has classified and analyzed such issues for the reader’s reference.