London, United Kingdom
Trevor Clifford Photography
Photograph - Photograph
Linear potentiometer. Potentiometers are a type of variable resistor. On linear potentiometers such as this moving the slider (black) from one end to the other varies the resistance to electric current across the electrical contacts (black and brown knobs). Potentiometers are used in devices such as light dimmers and volume controls.
May 13th, 2013
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