伏安法测量电阻一直是中考考查的热点.由于电阻在电路中有分压分流的作用,所以电阻的测量具有一定的变通性、技巧性和多样性,在方法上除了伏安法之外,还有伏阻法、安阻法和等效替代法3种特殊测量方法.近两年的中考对这3种测量方法的考查呈上升趋势,学生非常有必 Voltammetry resistance measurement has been a hot spot in the test.As the resistance in the circuit has the role of partial pressure shunt, so the resistance measurement has some flexibility, skill and diversity, in addition to the method of voltammetry, There are volt resistance method, resistance method and the equivalent alternative method of three kinds of special measurement methods in the past two years of the examination for these three kinds of measurement methods are on the rise, the students are very necessary