电磁感应现象和规律是高考常考的内容,也是物理学科内综合题的切入点。往往也是高考备考的难点。电磁感应现象与磁场、电路、力和运动、能量等相联系的综合题以及有关图象问题在近几年的高考中总是时有出现,在复习中要引起足够的重视。1感应电流效果的分析与判断1.1基本方法1、 The phenomenon and law of electromagnetic induction are the contents of the regular entrance exams, and are also the starting point for comprehensive questions in the physics disciplines. It is often a difficult part of college entrance exam preparation. The comprehensive problems related to electromagnetic induction and magnetic fields, circuits, forces and movements, and energy, as well as related image problems, have always appeared in the college entrance examinations in recent years and must be given sufficient attention in the review. 1 Analysis and Judgment of Inductive Current Effect 1.1 Basic Method 1.