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合理地把握和运用好具有统领价值的物理知识,以之为纲,按照知识生成的内在关系,将与之有关的内容编排整合,可以使教学流程清晰、重点突出,从而提高教学效率。在高三复习课的教学中,尤其要体现这种复习方法的渗透。由于电磁感应中的电来源于磁,承载电流的通道是线路,而磁通量正是同时考虑磁和线路的物理量,所以从磁通量入手,将相关知识进行有机组合,能抓住电磁感应电路问题其本质特征。
To reasonably grasp and apply well-depended physical knowledge, take it as the key link, organize and integrate the related contents according to the internal relations of knowledge generation, so as to make the teaching process clear and focused and improve the teaching efficiency. In the third year of the teaching of review, in particular, to reflect the infiltration of this review method. As the electromagnetic induction of electricity from the magnetic current carrying channel is the line, and the magnetic flux is the same time considering the physical and magnetic lines, starting from the magnetic flux, the relevant knowledge of the organic combination of electromagnetic induction circuit to seize the nature of the problem feature.