The main role of the potentiometer?

The potentiometer is an adjustable electronic component, and its main role in the circuit is as follows:

1. Used as a voltage divider

The potentiometer is a continuously adjustable resistor. When the knob or slider of the potentiometer is adjusted, the movable contact slides on the resistor body. At this time, an output voltage which is related to the potentiometer applied voltage and the movable arm angle or stroke can be obtained at the output end of the potentiometer.

2. Used as a varistor

When the potentiometer is used as a varistor, it should be connected to the two ends of the device, so that a smooth and continuously changing resistance value can be obtained within the stroke range of the potentiometer.

3. Used as a current controller

When the potentiometer is used as a current controller, one of the selected current outputs must be the sliding contact terminal.

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