Electrical Circuits 0.0 / 5 ? PhysicsElectricityGCSEAQA Created by: EliseCeriCreated on: 13-04-15 11:52 A Cell This is necessary to push electrons around a complete circuit. It consists of two or more cells. 1 of 11 A switch This enables the current in a circuit to be switched on and off. 2 of 11 An Indicator This is designed to emit light as a signal (A bulb) when a current passes through it. 3 of 11 A diode This allows a current to pass in only one direction. (like a channel) 4 of 11 A light emitting diode This emits light when a current passes through it 5 of 11 An ammeter This is used to measure the electrical current 6 of 11 A fixed resistor This limits the current in a circuit 7 of 11 A variable resistor Allows the current to be varied 8 of 11 A fuse This is designed to melt and 'Break' the circuit if the current gets to high. 9 of 11 A heater Is designed to transfer electrical energy to heat the surroundings 10 of 11 A voltmeter This is used to measure the potential difference. 11 of 11
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