Definition, Meaning & Synonyms

potentiometer

Noun
/pəˌtɛnʃiˈɒmɪtər/
Definition
A potentiometer is an electrical device that allows the user to adjust the resistance in a circuit, which in turn varies the voltage or current. It typically consists of a resistive element and a movable contact.
Examples
  • He used a potentiometer to control the volume of the audio equipment.
  • The circuit designer selected a potentiometer to regulate the brightness of the LED lights.
  • In the lab, students learned how to calibrate a potentiometer for precise measurements.
Meaning
The term ‘potentiometer’ derives from the words ‘potential’ and ‘meter,’ indicating its function in measuring electric potential, or voltage.
Synonyms
  • Variable resistor
  • Adjusted resistor
  • Controller