伏伏法测电阻的方法研究  

Study on the Method of Measuring Resistance by Volt-volt Method

作　　者：何述平[1] 张雯婷 HE Shuping;ZHANG Wenting(College of Teacher Education,Northwest Normal University,Lanzhou,Gansu 730070)

机构地区：[1]西北师范大学教师教育学院,甘肃兰州730070

出　　处：《物理通报》2023年第7期84-87,共4页Physics Bulletin

摘　　要：研究了伏伏法测电阻的实验原理方法和数据处理方法,结果表明:原理方法有内接式和外接式,数据处理方法有图像法和平均法;给出了结合实测数据运用方法的实测结果,结果表明:标配电压表和基本器材构成的内、外接式测量电路均可行;讨论了测量特点、匹配条件、教学价值,深化了伏伏法测电阻的认识.The experimental principle method and data processing method of measuring resistance by volt-volt method are studied,and the results show that the principle method includes internal connection and external connection,and the data processing method includes image method and average method.The measured results of applying the methods combined with measured data are given,and the results show that the internal and external measuring circuits composed of standard voltmeter and basic equipment are feasible.The measuring characteristics,matching conditions and teaching value are discussed,and the understanding of measuring resistance by volt-volt method is deepened.

关 键 词：伏伏法 电阻 原理方法 数据处理方法 匹配条件 

分 类 号：G633.7[文化科学—教育学]