Rotary potentiometer

Rotary potentiometer

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Credit: TREVOR CLIFFORD PHOTOGRAPHY/SCIENCE PHOTO LIBRARY

Caption: Rotary potentiometer. Potentiometers are a type of variable resistor. On rotary potentiometers such as this turning the shaft (silver, upper centre) varies the resistance to electric current across the metal contacts (silver, lower centre). Potentiometers are used in devices such as light dimmers and volume controls.

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Keywords: 1, component, device, dimmer switch, education, electric, electricity, electronic, electronics, lab, non-integrated, one, physical, potential divider, potentiometer, resistor, rotary, school science, single, still life, still-life, technological, technology, technology equipment, variable resistor, volume control, white background

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