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设计性实验是近年高考实验试题的热点.从近几年高考物理实验试题的设置来看,以电学设计性实验为多.其中伏安法测电阻是电学的一个基本实验,以此为切入点衍生的设计性实验题可谓名目繁多.伏安法测电阻实验的基本仪器是电流表、电压表,基本原
Design experiments in recent years, college entrance examination test questions hot.From the recent college entrance examination physical experiment questions set to electrical design experiments as much as one volt-ampere method is a test of electrical resistance of a basic experiment, as a starting point Derived design of experimental topics can be described as many and varied.Voltammetry resistance test the basic instrument is ammeter, voltmeter, the basic principle