potentiometer

A noun referring to an electrical component used to measure electromotive force or to adjust voltage levels in electronic devices, such as radios and televisions.

• 🇵🇹Substantivo que designa um componente elétrico usado para medir força eletromotriz ou ajustar níveis de tensão em dispositivos eletrônicos, como rádios e televisores; também se refere a um resistor variável de três terminais cuja resistência pode ser ajustada manualmente.

1. Electrical measuring instrument C1 formal technical

   An instrument used to measure an unknown voltage or potential difference by comparing it with a known reference voltage.

   • The technician used a potentiometer to calibrate the circuit.
   • Potentiometers are essential for precise voltage measurements in labs.
   • He adjusted the potentiometer to find the exact electromotive force.

   🇵🇹Potenciômetro

2. Adjustable resistor B2 formal technical

   A three-terminal resistor with a sliding or rotating contact that forms an adjustable voltage divider, commonly used to control volume or other settings in electronic devices.

   • The volume knob on the radio is connected to a potentiometer.
   • You can adjust the brightness of the screen using a potentiometer.
   • The engineer replaced the faulty potentiometer in the amplifier.

   🇵🇹Potenciômetro

   Sinônimos: potrheostatvariable resistor

• potentiometers plural form
• potentiometers' possessive plural form
• potentiometer's possessive singular form