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More cards in this set
Card 6
Front
Often a watt is too small a unit to be useful, so power may be given in what?
Back
Card 7
Front
What is a kilowatt-hour?
Back
Card 8
Front
The amount of energy transferred to a mains appliance can be found using what equation?
Back
Card 9
Front
A kilowatt-hour is a unit of what?
Back
Card 10
Front
Cost effectiveness is what?
Back
Card 11
Front
What is the payback time for an appliance?
Back
See full card set