An Experiment to Determine the Discharge Characteristics of Common Batteries

Statistics – Applications

Scientific paper

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Scientific paper

An experiment is presented to investigate the discharge characteristics of common batteries using readily available equipment in an introductory physics laboratory. We used PASCO-750 science workshop interface, their two voltage sensors, and their DataStudio software to collect the data for some popular name brand AA and AAA batteries. The significant advantages are that it is relatively easy to carry out, the measurements are precise, and the topic is relevant to every day life with practical applications. It also serves as an experiment to introduce computer interfacing in data collection, as well as the Spread Sheet in data analysis and graphing. The spin off of this experiment is an accurate method to study the longevity of common batteries. Our results indicate that some of the popular name brand batteries don't last long as mentioned in their advertisements and some of the not so popular batteries are more cost effective.

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