Technology / Programming / Resistor: Resistors are electrical components that resist the flow of charge. The value of a resistor is measured in ohms and represented by the greek letter capital omega.
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Technology / Motors / Thermistor-Thermally Sensitive Resistor: A semiconductor used to measure temperature: can be attached to an alarm or meter to detect motor overheating. MORE
Entertainment / Photography / Photo-Resistor: Photoelectric cell which varies in its electrical resistance according to the light received. MORE