“用伏安法测量电阻”是初中物理电学中的一种基本测量，属欧姆定律变换式的具体应用，对于加深理解欧姆定律和电阻概念有重要作用。同时又能给学生提供初中常用电学器材综合使用的机会，有利于提高学生动手操作能力，有利于培养学生的科学思维方法和求实、严谨、创新的科学精 “Measurement of resistance by voltammetry” is a basic measurement in junior electrical science. It is a specific application of Ohm’s law transformation, which plays an important role in deepening the understanding of the concepts of Ohm’s law and resistance. At the same time, it can provide students with opportunities for comprehensive use of commonly used junior high school electrical equipment, which is conducive to improving students’ hands-on operational ability and is conducive to cultivating students’ scientific thinking methods and the scientific essence of seeking truth, rigor, and innovation.