UJ31电位器实验装置的改进

实验科学与技术 Pub Date : 2015-10-28 DOI:10.3969/J.ISSN.1672-4550.2015.05.006

Wang Ting, Sun Xiao-wei, Song Ting, Qu WeiLong

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引用次数: 0

摘要

电位器利用补偿法原理，精确测量电动势、电压、电流、电阻等电量。在实际教学过程中，学生在使用UJ31型电位差时，由于使用附件设备机械振镜不能很好地掌握，结果的测试误差较大。通过讨论和论证，用附加设备机械振镜代替数字仪器，效果较好。

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Improvement of Potentiometer Experimental Equipment of UJ31

Using the compensation method principle,the potentiometer is used to precisely measure the electromotive force,electrical quantities such as voltage,current and resistance. During the actual teaching process,the test error of result is bigger because of the use of accessory equipment mechanical galvanometer cannot grasp well when students use the type UJ31 potential difference. The result is better when the attachment equipment mechanical galvanometer substitute digital instrument by discussion and demonstrate.

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来源期刊

实验科学与技术

自引率

0.00%

发文量

6319

期刊介绍： "Experiment Science and Technology" is a comprehensive journal of natural sciences and engineering sponsored by the Sichuan Provincial Department of Education and the University of Electronic Science and Technology of China and the Sichuan Higher Education Association. It aims to report the development status, achievements or interim achievements of scientific research in natural sciences with talent training as the center; exchange research results and experience in the design, development, function development, maintenance management and supply management of instruments and technical equipment; explore common problems in the construction of laboratories at all levels and types, team building and improving the efficiency of instrument use from a technical perspective; explore new ideas, new ways and new measures for experimental teaching reform and innovation. The journal mainly has columns such as experimental technology, experimental teaching and teaching experiments, virtual simulation technology, laboratory environment and safety, experimental instrument development and maintenance, laboratory construction and management, and large-scale instrument management and sharing.