数字式仪表在电磁学实验中的应用研究

Digital instrument in electromagnetics experiment research

分别通过惠斯通电桥测电阻实验、电位差计校表实验、霍尔效应测量磁场实验、冲击电流计测电容及高电阻实验对数字式仪表与指针式仪表进行了比较研究,详细阐述了用数字式仪表替代指针式仪表的优势,给出了每个题目具体的实验研究成果,总结了数字式仪表应用于电磁学实验的研究成果.

By the Wheastone bridge resistance measurement,potential difference meter calibration experiments,the Holzer effect experiment of measuring magnetic field,ballistic galvanometer to measure capacitance and high resistance experiment on digital instrument and meter undertook comparative study,the digital instrument is analyzed to replace a pointer type instrument advantage,specific experimental study results are given,summary of digital instrument applied to electromagnetics experiment research is made.