化学电池电动势及内外电压的实验研究  

Experimental Research on Electromotive Force and Internal and External Voltage of Chemical Battery

作　　者：彭丽 黄绍书 岳国联 朱丽霞 Peng Li Huang;Shaoshu;Yue Guolian;Zhu Lixia(Qianxi No.1 Middle School,Qianxi,Guizhou 551500;Liupanshui City No.Middle School»Liupanshui,Guizhou 553000;Bijie Minority Middle School,Bijie,Guizhou 551700)

机构地区：[1]贵州省黔西第一中学,贵州黔西551500 [2]六盘水市第三中学,贵州六盘水553000 [3]毕节市民族中学,贵州毕节551700

出　　处：《物理通报》2022年第5期129-131,共3页Physics Bulletin

摘　　要：采用4只电压表分别对市售研究闭合电路可调内电阻的专用化学电池和自制化学电池的正极与负极之间、正极与正极附近的探针之间、负极与负极附近的探针之间以及正极附近的探针与负极附近的探针之间的电势差进行测量.根据实验数据对闭合电路中电场力做功与非静电力做功引起的电势变化进行分析,指出化学电池中电场力和非静电力的作用区域,同时也验证了闭合电路中电动势与内电压和外电压之间的关系.Four voltmeters are used to study the special chemical battery with adjustable internal resistance of the closed circuit and the self-made chemical battery between the positive electrode and the negative electrode,between the positive electrode and the probe near the positive electrode,and the probe near the negative electrode.The potential difference between the probe and the probe near the positive electrode and the probe near the negative electrode are measured.According to the experimental data,the electric potential changes caused by the electric field force and the non-electrostatic force work in the closed circuit are analyzed,and the area of action of the electric field force and the non-electrostatic force in the chemical battery is pointed out,and the electromotive force and the internal voltage and the external voltage in the closed circuit are also verified.The relationship between.

关 键 词：可调内电阻化学电池 闭合电路 电势变化 实验探究 非静电力 化学反应 电极附近 

分 类 号：G633.7[文化科学—教育学]