noun🔗ShareA user-adjustable 3 terminal variable resistor that can be used as a voltage divider."The volume knob on the radio is a potentiometer that lets you adjust the voltage going to the speaker, making the sound louder or softer. "electronicsdevicetechnicalChat with AIVocabulary GamePractice Reading
noun🔗ShareAn instrument that measures a voltage by opposing it with a precise fraction of a known voltage, and without drawing current from the unknown source."The student used a potentiometer in the physics lab to accurately measure the voltage of the battery without draining its power. "electronicsdevicetechnicalphysicsmachineChat with AIVocabulary GamePractice Reading