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近几年理科综合考试中,电学实验题频频出现,且对灵活迁移能力要求有越来越高的趋势。从电学实验的命题内容看,电阻的测量是其中最热的考点之一。以下就测量电阻方法作个小结。1用多用电表Ω档直接测量电阻(不再细述)2伏电安路法如测右量图电,测阻量值R=Rx+RA,测量值偏大,适宜于
In recent years in science comprehensive examinations, electrical experiments have frequently appeared, and the requirements for flexible migration have become increasingly high. From the propositional content of electrical experiments, resistance measurement is one of the hottest test sites. The following is a summary of the measurement resistance method. 1 Use multi-meter Ω file to directly measure resistance (will not be described in detail) 2 volt electric safety method, such as measuring the right picture, measuring resistance value R=Rx+RA, the measured value is too large, suitable for