"Electric Current and Power/Generating Electricity"

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  • Created by: Go
  • Created 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

Other cards in this set

Card 2

Front

_____ is the rate of flow of charge around a circuit

Back

current

Card 3

Front

______ usually carry the charge - they're negatively charged particles

Back

Preview of the front of card 3

Card 4

Front

_____ (or POTENTIAL DIFFERENCE) is an electrical pressure giving a measure of the energy transferred

Back

Preview of the front of card 4

Card 5

Front

The mains electricity supply in your home is _____ current

Back

Preview of the front of card 5
View more cards

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