Abstract
A recent reform in the Portuguese secondary school curriculum reintroduced the study ofcapacitors. Thus we decided to implement some experimental activities on this subject withour undergraduate students in physics education courses. A recent announcement of a newkind of capacitor being developed by a team of scientists at Massachusetts Institute ofTechnology (MIT), which makes use of nanotechnologies, was a great motivation for thestudy of a topic that could easily be considered ‘out of time’. Since this new kind ofcapacitor is being seen as the battery of the future, our focus was essentially on efficiencymeasurements, motivating students to obtain, respectively, the time constant and theenergies stored and supplied during the charge and discharge processes, fromexperimental graphics representing the power as a function of time in real capacitors.
Published Version
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