欧姆表改装实验中并联调节电路的剖析  

The Anatomy of a Parallel Regulating Circuit Used in the Assembly of an Ohmmeter

作　　者：韩东强 HAN Dongqiang(College of Science,China Pharmaceutical University,Nanjing 211198,China)

机构地区：[1]中国药科大学理学院,江苏南京211198

出　　处：《大学物理实验》2020年第4期37-41,共5页Physical Experiment of College

基　　金：中国药科大学理学院教学团队项目。

摘　　要：欧姆表的改装是大学物理实验中电学部分的一个重要实验,本文针对实验中所采用的并联调节电路做了剖析,阐述其改装原理,推导电路中各物理量之间的关系,并进一步结合具体实验参数讨论了电路的中值电阻和等效电流。The assembly of an ohmmeter is one of the most important electrical experiments in the course of college physics experiment.It analyzes the parallel regulating circuit used in the experiment,explains the modification principle,deduces the relationship between the physical quantities of the circuit,and further discusses the median resistance and equivalent current of the circuit by taking advantage of the specific experimental parameters.

关 键 词：欧姆表 并联调节电路 表头 中值电阻 等效电流 

分 类 号：O4-33[理学—物理]