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