Rheostat (noun) Definition, Meaning & Examples

noun Electricity.
  1. an adjustable resistor so constructed that its resistance may be changed without opening the circuit in which it is connected, thereby controlling the current in the circuit.
noun
  1. a variable resistance, usually consisting of a coil of wire with a terminal at one end and a sliding contact that moves along the coil to tap off the current
    Rheostat (noun) Definition, Meaning & Examples

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