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More cards in this set
Card 6
Front
What does the live wire (of the mains supply) alternate between?
Back
Card 7
Front
At what voltage is the neutral wire?
Back
Card 8
Front
What is the peak of the live wire p.d.?
Back
Card 9
Front
What is the lowest p.d. of the live wire?
Back
Card 10
Front
What is this the same as, in terms of d.c. electrical power?
Back
Card 11
Front
What is the National Grid? (2.)
Back
Card 12
Front
What are step-up transformers used for?
Back
Card 13
Front
What are step-down transformers used for?
Back
Card 14
Front
What colour is the earth wire?
Back
Card 15
Front
What colour is the neutral wire?
Back
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