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中职学校的电工基础与初中物理的电学知识相比更具专业性和实用性,这对本身文化基础较弱的中职学生来说学起来非常困难。这就要求授课教师在备课时不仅要熟悉授课内容,更要想办法让学生能较好地接受课堂上所教授的知识。因此,知识点的归纳和总结就非常重要了。特别是在复习时,需要对所学知识点进行拓展和灵活应用,很多时候公式不是万能的,要结合实际电路分析。同样的问题,对象不一样,分析的思路和使用的公式完全不一样。以实际例子探讨闭合电路的最大功率问题。
The electrician’s foundation of secondary vocational schools is more professional and practical than that of junior high school physics, which is very difficult for secondary vocational students whose own cultural foundation is weak. This requires that instructors not only be familiar with the contents of lectures during lesson preparation, but also find ways to make students better able to accept the knowledge taught in the classroom. Therefore, the summary and summary of knowledge points is very important. Especially in the review, you need to learn to expand and apply knowledge points, many times the formula is not a panacea, combined with the actual circuit analysis. The same problem, the object is not the same, the analysis of ideas and the formula used is completely different. A practical example to explore the maximum power closed circuit problem.