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How does a resistor work?

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Devices called resistors let us introduce precisely controlled amounts of resistance into electrical circuits. Let's take a closer look at what they are and how they work! Photo: A typical resistor used in an electronic circuit. It works by converting electrical energy into heat, which is dissipated into the air.May 30, 2016 read more

Photo: This variable resistor is the volume control from a transistor radio. How resistors work. People who make electric or electronic circuits to do particular jobs often need to introduce precise amounts of resistance. They can do that by adding tiny components called resistors. read more

A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element. In electronic circuits, resistors are used to reduce current flow, adjust signal levels, to divide voltages, bias active elements, and terminate transmission lines, among other uses. read more

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