Currents in electrical circuits 3.0 / 5 based on 1 rating ? PhysicsElectricityGCSEAQA Created by: Pea_emmaCreated on: 05-04-13 15:01 The loss or gain of electrons on the surface of a material Static electricity 1 of 8 The rate of flow of electric charge; units of amperes (amps) A; l = q/t Current 2 of 8 The energy transfer by unit charge passing from one point to another; measured in volts Potential difference (voltage) 3 of 8 Opposition to the flow of electric current; unit of ohms Resistance 4 of 8 Graph used to show how the current through a component varies with the potential difference across it Current-potential difference graph 5 of 8 A resistor whose resistance varies with temperature Thermistor 6 of 8 An electrical device that resists the flow of an electrical current Resistor 7 of 8 An electrical device that allows electric current to flow in one direction Diode 8 of 8
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