电磁学中一个常用例题的拓展

Expanding of a Example in Common on Study of Electromagnetism

文章从求解均匀带电圆形细环轴线上任一点的电势出发,将轴线上一点拓展为不在轴线上的任意点,通过求解不在轴线的任意点的电势,培养学生积极思考和深入研究的良好学习习惯。

On the basis of figuring out a random dot＇ s potential in the axis of well - balanced charged cirque, the author will change the dot on the axis into a random dot which isn＇ t on the axis. The essay wants to cultivate the students＇ well studying habits which are active thinking and deep in researching, by figuring out the potential of a random dot which isn＇t on the exis.