一则典型电磁波例题的歧义及剖析

The Ambiguity and Analysis of a Typical Example of The Electromagnetic Wave

在时变电磁场中,如何使用麦克斯韦方程组计算场分布,是“电磁场”教学的一个重要环节。本文针对一则典型例题,对分别运用麦克斯韦方程组的两个方程所得的解不一致的问题,给出了合理的解释,一定程度上化解了学生理解掌握知识的困难。本文能帮助学生更加深刻地理解电磁场的内在逻辑关系,提高理论素养。

How to use Maxwell's equations to calculate the field distribution of the time-varying electromagnetic field is an important link in teaching Electromagnetic Fields.Aiming at solving the problem of the inconsistency between the solutions of two Maxwell equations in a typical example,this paper gives a reasonable explanation,which solves the students’difficulties of understanding and mastering knowledge to some extent.The article can help students understand the inner logic of electromagnetic field more deeply and improve their theoretic attainments.