Potentiometers are widely used in electronic devices and circuits for various purposes, such as controlling volume in audio equipment, adjusting the brightness of a display, or setting the sensitivity of a sensor.

Potentiometers come in various forms, including rotary and linear types. Rotary potentiometers have a knob that can be turned to adjust the resistance, while linear potentiometers have a slider that moves along a straight path. They are available in different resistance values and can be either logarithmic (audio taper) or linear (linear taper) in their response to adjustment.

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