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Charge and currentCircuit symbols

Current is a flow of electrical charge. Voltage measures the energy carried by the charge flowing in a circuit. This electrical energy is transferred in the circuit into light, heat and movement.

Part of PhysicsRevise: Electricity

Circuit symbols

Switch, Cell, Battery, Lamp, Voltmeter, Ammeter, Resistor, Variable resistor, Capacitor, Diode and Fuse.

These symbols are used so that everyone worldwide can understand a circuit diagram when they see it.

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