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近年高考在选择题中常以E-x图象和φ-x图象的形式,考查与静电场相关的知识点,而且要求较高,学生往往感觉难度较大.本文就以近年高考中出现的静电场题目为例,对静电场中E-x、φ-x图象的解题方法作了探讨.
In recent years, college entrance examinations often use Ex-images and φ-x images to examine knowledge points related to electrostatic fields, and the requirements are higher. Students often feel more difficult. This paper uses the electrostatic field that appeared in recent college entrance examinations. For example, the method of solving problems of Ex and φ-x images in electrostatic fields is discussed.