potentiometer
/pəˌtɛnʃiˈɑmɪtər/
noun
- An electrical device used to measure or adjust voltage, often by turning a knob or sliding a contact.
- The technician turned the potentiometer to adjust the volume on the amplifier.
- He replaced the broken potentiometer in the old radio to fix the static noise.
- In the robotics kit, a potentiometer controls the speed of the motor.
Synonyms