电学计算题是各省市历年中考的重点题目,是中考物理试卷的压轴题目。求解电学计算题的方法是多种多样的,但基本方法不外乎“公式法”“方程法”“比例法”三种。 Electrical calculation questions is the key issue of the provinces and cities in the calendar year examination is the finale of the physical examination papers in the exam topic. There are many ways to solve the problem of electrical calculation, but the basic method is nothing more than “formula method” “” method “” ratio method "three kinds.