School lab rotary potentiometer

School lab rotary potentiometer

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Credit: TREVOR CLIFFORD PHOTOGRAPHY/SCIENCE PHOTO LIBRARY

Caption: 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.

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

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