The Cost of Electricity

Adam Collinge
Flashcards by Adam Collinge, updated more than 1 year ago
Adam Collinge
Created by Adam Collinge over 7 years ago
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Question Answer
What are the units of energy, associated with the cost of electricity? Kilowatt-hours (kWh)
What is the equation for the amount of energy transferred by an appliance? Energy = Power x Time J=kWxh
What is a Kilowatt-hour? The amount of electrical energy used by a 1 kW appliance, left on for 1 hour
Give two formulas for calculating the cost of electricity. How do you use them? 1) units= kW x hours 2) Cost= units x Price Work out formula 1, then use those numbers in formula 2
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