It is an electronic device which is operate on low voltage. It has three resistor terminal with sliding & rotating contact form that voltage regulate by resistor. This device used for measurement purpose in programming card & display. Use of potentiometer Potentiometers are rarely used to directly control significant amounts of power. Instead they are used to adjust the level of analog signals and as control inputs for electronic circuits. For example, a light dimmer uses a potentiometer to control the switching of a TRIAC and so indirectly to control the brightness of lamps. Preset potentiometers are widely used throughout electronics wherever adjustments must be made during manufacturing or servicing. User-actuated potentiometers are widely used as user controls, and may control a very wide variety of equipment functions. However they remain in many applications, such as volume controls and as position sensors. Wiring diagr...
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