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Physics
Energy
Wind Power
Geothermal

How much energy is wasted for every 1000 megajoule?

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November 10, 2007 4:09PM

It depends on the efficiency of the appliance. If an electric motor has an efficiency of 0.7, then for every 1000 megajoules, 30 megajoules will be wasted as useless heat or sound or other useless energy form.