电阻的测量是历年高考的热点内容,测量的方法一般有伏安法、等效替代法、满偏半偏法、电桥平衡法等四种方法,其中伏安法难度最大,该种方法对学生知识储备量要求较高,通过对“伏安法测电阻”器材的选取和电路设计,可以充分考查学生的实验能力,同时也可以不同程度地考查学生的理解能力、推理能力、分析综合能力和应用数学处理物理问题的能力。因此“伏安法测电阻”一直是电学实验考查的重点内容,并且近几年高考又将“伏安法”进行了扩展,派生出了安安法、伏伏法等。下面就详细分析一下“伏安法测电阻”的器材选 Resistance measurement is a hot topic in college entrance examinations over the years. The measurement methods generally include four methods: voltammetry, equivalent substitution method, partial partial deviation method, and bridge balance method. Among them, voltammetry is the most difficult method. The students’ knowledge reserves are required to be higher. Through the selection of “Volt-Amp Resistance Measuring Instruments” and circuit design, students’ experimental ability can be fully examined, and students’ understanding ability, reasoning ability, and analysis can also be examined to varying degrees. Comprehensive ability and the ability to apply mathematics to physical problems. Therefore, the “volt-ampere measurement resistance” has always been the focus of electrical experimentation. In recent years, the college entrance examination has expanded the “Volt-Ampere Method” to derive An Anfa and Fu Fufa. The following is a detailed analysis of the “Volt-ampere measurement resistance” equipment selection