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More cards in this set
Card 6
Front
Which wire of the mains supply alternates between a positive and a negative potential
Back
Card 7
Front
What does the voltage of the live wire alternate between?
Back
Card 8
Front
What can a diode in series with a resistor may be used to do?
Back
Card 9
Front
How does a diode convert alternating current to direct current?
Back
Card 10
Front
What is the current said to be when a diode converts alternating current to direct current?
Back
Card 11
Front
How are most electrical appliances connected to the mains?
Back
Card 12
Front
What colour is the live wire?
Back
Card 13
Front
What colour is the neutral wire?
Back
Card 14
Front
What colour is the earth wire?
Back
Card 15
Front
What does the earth wire do in an appliance with a metal case?
Back
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