电路状态的动态分析,是初三电学中的重要内容.此类题目形式多样,变化万千,常使学生或是摸不着头绪,无从下手;或是弯路频转,事倍功半.鉴于此类题目的一般分析顺序和特点,笔者认为,学习时教师向学生讲清三个基础点,讲透两种解题方法,讲明一种特殊解题途径,对快速准确解题很有帮助. Dynamic analysis of the state of the circuit is an important part of the third-year electricity. These types of topics are varied and varied, often leaving students unwieldy and unable to get started; The general analysis of the sequence and characteristics, the author believes that when learning, the teacher explains the three basic points to the students, through two kinds of problem-solving methods, to explain a special way to solve the problem, it is helpful to quickly and accurately solve the problem.