rheostat

• Существительное, обозначающее переменный резистор, используемый для регулировки тока в электрической цепи.

A noun referring to a variable resistor used to regulate the current in an electrical circuit.

1. Variable resistorC1formaltechnical

   An electrical component used to adjust the amount of current flowing through a circuit by varying its resistance.

   Реостат

   • The technician adjusted the rheostat to dim the lights.
   • In the lab, we used a rheostat to control the motor speed.
   • The rheostat allows precise regulation of electrical current.

   Synonymsvariable resistor