P2T2 Key Words 0.0 / 5 ? PhysicsElectricityGCSEEdexcel Created by: kat-yCreated on: 10-12-16 22:48 Ammeter Put into a circuit in series with other components. It measures the size of a current. 1 of 11 Voltmeter Used to measure the voltage across a component. Placed in parallel with a component. 2 of 11 Potential Difference Another word for voltage. It is the difference in energy carried by the electrons before and after they have flowed through a component 3 of 11 Resistance How easy or difficult it is or an electric current to flow through something 4 of 11 Variable Resistors A resistor that can have its resistance changed by turning a knob or moving a slider 5 of 11 Filament Lamps A light bulb which has an increased resistance when it gets hot 6 of 11 Diodes A component that lets its electric current flow in only one direction through it 7 of 11 Light-dependent resistor A resistor whose resistance gets lower when light is shone on it 8 of 11 Thermistors A component with a resistance that gets smaller when it gets hotter 9 of 11 Series Circuit A circuit with only one loop for the current to flow through - therefore the current goes through all the components one after another. 10 of 11 Parallel Circuit A circuit with more than one path for the current to flow through 11 of 11
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