"Electric Current and Power/Generating Electricity" 0.0 / 5 ? PhysicsElectricityGCSEEdexcel Created by: GoCreated on: 26-10-13 16:08 _____ _____ is a flow of charge round a circuit electric current 1 of 14 _____ is the rate of flow of charge around a circuit current 2 of 14 ______ usually carry the charge - they're negatively charged particles electrons 3 of 14 _____ (or POTENTIAL DIFFERENCE) is an electrical pressure giving a measure of the energy transferred voltage 4 of 14 The mains electricity supply in your home is _____ current alternating 5 of 14 Generators use something called electromagnetic _____ to make electricity induction 6 of 14 You can induce (create) a voltage, and maybe a current, in a conductor by moving a _____ magnet 7 of 14 You can create a current in a conductor by either rotating a magnet in or near a coil of wire, or by rotating a coil of wire in a magnetic _____ field 8 of 14 There are _____ factors that can affect the size of the induced voltage and current four 9 of 14 One of the four factors that you have to increase to get a bigger peak voltage (and current) is the st_____ of the magnet strength 10 of 14 One of the four factors that you have to increase to get a bigger peak voltage (and current) is the number of t_____ on the coil turns 11 of 14 One of the four factors that you have to increase to get a bigger peak voltage (and current) is the a_____ of the coil area 12 of 14 One of the four factors that you have to increase to get a bigger peak voltage (and current) is the sp_____ of movement speed 13 of 14 Generators generate _____ current by electromagnetic induction, either by rotating a magnet or by rotating a coil of wire and keeping the magnet fixed alternating 14 of 14
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