物理中考试题中的电学压轴题一般属综合性计算题,它涉及的研究对象多,物理过程复杂,隐含条件深,考查知识容量多,难度大,解题方法灵活,能力要求较高,解这类题需掌握一定的技巧。下面结合实例介绍几种常用方法。一、抓住关键解题时要善于从题目所叙现象、状态、过程中找出关键条件,作为解题的突破口。 The elective topics in the physics examination questions are generally comprehensive calculation problems. It involves many research objects, the physical process is complex, the implied conditions are deep, the examination of knowledge capacity is large, the difficulty is great, the problem-solving method is flexible, and the ability requirement is high. This type of question requires some skills. Here are some common methods introduced with examples. First, when grasping key problems, one must be good at finding out the key conditions from the phenomena, states, and processes described in the topic as a breakthrough point for problem solving.