【摘要】 分别用替代法、半偏法、等偏法及伏安法等多种经典的设计性实验来测量直流电流表内阻,并对其作了比较分析,目的是使学生学会如何动脑设计实验,增加其对物理实验的探究性学习兴趣.更多还原

【Abstract】 The paper discusses how to increase students’ interest in physical experiments through inquiry learning by analysis and comparison of four classical experiments to measure the internal resistance of DC amperemeter: substitution method,half deflection method,equal deflection method and voltammetry.更多还原