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School Lab Rotary Potentiometer
Trevor Clifford Photography
Photograph - Photograph
School lab rotary potentiometer. Potentiometers are a type of variable resistor. On rotary potentiometers turning the knob (black, centre) varies the resistance to electric current across the metal contacts (gold). Potentiometers are used in devices such as light dimmers and volume controls. This is the type typically used for educational purposes in school laboratories.
May 8th, 2013
Viewed 49 Times - Last Visitor from New York, NY on 07/14/2014 at 8:09 PM
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