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January 01, 2022Variable resistorsThe physics of components that do not have a constant resistance including the NTC thermistor13 minPlay
June 30, 2016Variable resistorsThe physics of components that do not have a constant resistance including the NTC thermistor13 minPlay
June 30, 2016Using potential dividersA demonstration of how potential dividers can be used in a volume control and in a balance control9 minPlay
June 30, 2016EMF and internal resistanceAn introduction to resistivity as a property of materials and its relationship with the resistance of components11 minPlay
June 30, 2016mains voltageHow to use an oscilloscope to measure the frequency of the mains voltage6 minPlay
July 08, 2012EvaporationCore physics - An explanation of the process of evaporation and how it causes cooling2 minPlay
December 02, 2011conduction of heatCore physics - An explanation of how heat travels through materials by conduction6 minPlay