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电磁感应教学中的几个问题江苏省海门市三厂中学张永兴电磁感应既是高中物理教学的重点，也是教学的难点．教学中发现学生对电磁感应的一些基本概念、规律理解错误、辨析不清，应用时也常出现差错．有下面几个问题应引起我们的注意，及时进行纠正和指点．问题１：感应电动...
Several problems in electromagnetic induction teaching Zhang Yongxing, Sanchang Middle School, Haimen City, Jiangsu Province Electromagnetic induction is not only the focus of high school physics teaching, but also a difficult teaching point. In teaching, it is found that students have misunderstood some basic concepts and laws of electromagnetic induction, and they are often unclear. There are the following issues that should draw our attention and promptly correct and direct. Question 1: Induction Electric...