Answer: rheostat

AnswerCrossword Clue
RHEOSTATElectric current regulator.
rheostata resistor used to control electric current
rheostatdevice for regulating electric current
RHEOSTATLight-dimming gadget
RHEOSTATSlot car controller
RHEOSTATElectrical resistor
RHEOSTATRegulator for houselights
RHEOSTATLight-regulating device
RHEOSTATElectrical circuit resistor.
RHEOSTATBrightness regulator
RHEOSTATRadio-set volume control.
RHEOSTATElectrical device.
RHEOSTATDevice that regulates current
RHEOSTATDimmer switch, e.g.
RHEOSTATDimming gadget
RHEOSTATCurrent regulator
RHEOSTATCurrent controller
RHEOSTATDimmer, e.g.