Am having a wee arguement with my step dad about my electrical use. I'm just wondering if anyone can give me the formula to work out how much electric a given device will use over a period?
Basically say I have my pc... it used a given amount of electric in a hour. I want to work out how much it costs to run for a hour and the formula to do so. I'd also like to be able to apply it to boiling the kettle etc.
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