基于自组补偿电路法的电源电动势和内阻测量

Measurement of Electromotive Force and Internal Resistance of Electric Source Under Self-Designing Compensation Circuit

电源电动势和内阻的常用测量方法是伏安法和电位差计法.针对这2种方法存在测量结果误差大或实验步骤繁琐等问题,提出了基于自组补偿电路法的电源电动势和内阻测量方法.该方法实验原理清晰,不需使用专门设备,测量步骤较简单,测量结果较精确.

Common methods of measuring the electromotive force and internal resistance of electric source are the voltammetry and the potentiometer method.However there are some imperfections in the two methods,such as great errors in the measurement results and complex experimental procedures and so on.Thus,the electromotive force and the internal resistance of the electric source are measured with a new method of a self-designing compensation circuit,which has clear experimental principle and relatively simple measurement procedures.This new method needs no special equipments but produces comparatively accurate result.