Physics: Year 9 Term 3: Components 0.0 / 5 ? PhysicsElectricityGCSEAQA Created by: Charlotte HerondaleCreated on: 30-03-18 09:22 Cell Pushes electrons around the circuit 1 of 13 Battery 2+ cells 2 of 13 Indicator (give an example) Emits light as current passes through e.g. Bulb 3 of 13 Diode Lets current through in one direction 4 of 13 LED Diode which emits light with current 5 of 13 Ammeter Measures amps - electrical current 6 of 13 Fixed resistor Limits current in the circuit 7 of 13 Variable resistor Limits current but current can be changed 8 of 13 Fuse Melts to break circuit if the current is too high 9 of 13 Heater Transfers heat from current to the surroundings 10 of 13 Voltmeter Measures volts - potential difference 11 of 13 Thermistor Resistance decreases if temperature increases 12 of 13 LDR Resistance decreases if light intensity increases 13 of 13
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