noun
- An instrument for measuring electric potential difference or voltage between two points in a circuit.
- A variable resistor with three terminals, used to control or adjust voltage, current, or other electrical properties in a circuit.
Usage: technical; electronics
Usage: technical; electronics
Examples
- The technician used a potentiometer to measure the voltage across the resistor.
- A potentiometer can be used as a volume control in audio equipment.
- The circuit included a potentiometer to adjust the brightness of the LED.
- She connected the potentiometer to the power supply to test the output voltage.
- The sliding contact on the potentiometer allows for smooth adjustment of resistance.
- Engineers often use a potentiometer to calibrate sensitive instruments in the laboratory.