Resistor symbols of electrical & electronic circuit diagram - resistor, potentiometer, variable resistor.
Table of resistor symbols
| Resistor (IEEE) | Resistor reduces the current flow. | |
|---|---|---|
| Resistor (IEC) | ||
| Potentiometer (IEEE) | Adjustable resistor - has 3 terminals. | |
| Potentiometer (IEC) | ||
| Variable Resistor / Rheostat (IEEE) | Adjustable resistor - has 2 terminals. | |
| Variable Resistor / Rheostat (IEC) | ||
| Trimmer Resistor | Preset resistor | |
| Thermistor | Thermal resistor - change resistance when temperature changes | |
| Photoresistor / Light dependent resistor (LDR) | Photo-resistor - change resistance with light intensity change |