| Electromagnetics, which is the basic discipline in the natural sciences, is an important constituent of physics. And electromagnetics is also one of the sources of relativity theories. The electromagnetics combining with the quantum physics and the relativity theories becomes the quantum electrodynamics, which is a copy of the quantum field. So in some sense electromagnetics can be regard as one of the best theories of physics. The developments of some researches about electromagnetics, especially the latest information of electromagnetics have obtained striking achievements, such as electromagnetic scatter, computational electromagnetics and instant electromagnetics. Electromagnetics is not only an old subject, but also a stimulate research realm.However, most of the famous physicists consider that electromagnetics should be adjusted.Depend on this, the author chooses this topic to study. In the first chapter, it analyzes the significant of this topic and the status quo of the research. In the second chapter, in order to lucubrate and comprehend the relations between all the information on electromagnetics, it mainly discusses the phylogeny of electromagnetics. Thus, the frame of electromagnetics can be organized favorably. Then, the author does some research on the utility technology of crossed subjects related to electromagnetics and the latest information on electromagnetics. So that they can grasp the international development of electromagnetics, and also make up the emphases of electromagnetics in the teaching. Based on this, the third part of the particle analogizes the frame of electromagnetics in the teaching materials, and introduces some teaching innovation thoughts in our country.(A,φ) is a basic physics concept in electromagnetics. At the end of the particle, itinvestigated a way to bring (A, φ) into electromagnetics.In summery, through the analysis of the electromagnetics, the author wants to introduce a way to promote the electromagnetics teaching.
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