Circuit symbols 2.0 / 5 based on 6 ratings ? PhysicsElectricityGCSEAQA Created by: RomillyCreated on: 10-11-12 12:34 Cell . 1 of 14 Battery . 2 of 14 Switch open . 3 of 14 Switch closed . 4 of 14 Filament lamp . 5 of 14 Fuse . 6 of 14 LED - a light emitting diode, emits light when a current flows through it in the forward direction . 7 of 14 Resistor - something which slows the flow down . 8 of 14 Variable resistor - is a resistor where you can change the resistance . 9 of 14 Ammeter - measures the current in a circuit . 10 of 14 Voltmeter - measures the potential difference in a circuit . 11 of 14 Diode - it lets current flow freely in one direction but not the other . 12 of 14 LDR - is a resistor that's dependent on the intensity of light . 13 of 14 Thermistor - is a temperature dependent resistor . 14 of 14
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