rheostat
Noun
Meaning
A contrivance for adjusting or regulating the strength of electrical currents, operating usually by the intercalation of resistance which can be varied at will.
Source: Webster's dictionarySynonyms
dimmer
variable resistor
control
potentiometer
device
competition
conflict
resistance
switch
controller
relay
generator
contradiction
regulator
antagonism
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Electronic symbols and notation main Two typical schematic diagram symbols are as follows: (a) resistor, (b) rheostat (variable resistor), and (c) potentiometer IEC resistor symbol The notation to state a resistor's value in a circuit diagram varies.
Such a device is called a rheostat and has two terminals.