The process of cooperative teaching on physics and chemistry experiment, which measuring the electromotiveforce and internal resistance using the primary cell produced by fruit, is expatiated.
A new method of measuring electromotiveforce and internal resistance of source using voltmeter instead of potentiometer was studied.
讨论了用伏特计代替电位差计测电源的电动势和内阻的新方法。
3
The essay introduces a new method to measure electromotiveforce of source, That is using oscilloscope comparative law to measure electromotiveforce and internal resistance of source.