What context can I use each word in?
Learn when and how to use these words with these examples!
resistor
Example
The resistor limits the amount of current flowing through the circuit. [resistor: noun]
Example
You need to replace the resistor to fix the problem with the circuit. [resistor: noun]
rheostat
Example
The rheostat allows you to adjust the brightness of the light. [rheostat: noun]
Example
Turn the rheostat to increase the speed of the motor. [rheostat: noun]
Good things to know
Which word is more common?
Resistor is a more common term than rheostat in everyday language, as it is used in a wider range of electronic devices. Rheostat is a more specialized term and is typically only used in specific applications such as lighting and motor control.
What’s the difference in the tone of formality between resistor and rheostat?
Both resistor and rheostat are technical terms used in the field of electronics, and are therefore considered formal language. However, resistor is more commonly used and may be considered less formal than rheostat due to its wider usage in everyday language.