variable resistor

[/ˈvɛriəbəl rɪˈzɪstər/]
nounpl: variable resistors
resistor variável
1. An electrical component whose resistance can be changed or adjusted, typically by mechanical means, to control the flow of electric current in a circuit
The technician adjusted the variable resistor to regulate the brightness of the LED
O técnico ajustou o resistor variável para regular o brilho do LED
2. A device used in electronics and electrical engineering to vary voltage or current in a circuit
A potentiometer is a common type of variable resistor used in audio equipment
Um potenciômetro é um tipo comum de resistor variável usado em equipamentos de áudio
Variable resistors are fundamental components in electronics education and industrial applications across both Brazil and the USA. The term is primarily used in technical and engineering contexts, and proficiency with these components is essential for electronics technicians and engineers in both countries.
Synonyms / Sinônimos
rheostatpotentiometeradjustable resistorvariable conductor
Antonyms / Antônimos
fixed resistorstatic resistor

Regional Variations

General Brazilian
resistor variável
standard technical term used in electronics and engineering
General Brazilian
resistência variável
alternative form, sometimes used interchangeably
Portugal
resistência variável
preferred term in European Portuguese technical contexts
Technical Community
potenciômetro
commonly used when referring to specific types of variable resistors

Related Words

potentiometerrheostatresistanceelectrical circuitconductorohm
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