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Energy Efficient Worksheet Answers - Ms. Simpson's class site

Energy Efficiency Worksheet A computer that is 87% efficient consumes 375 kWh of energy. How much useful energy does it provide? loo A television that is 83% efficient provides 4 600 J of useful energy. How much energy does it consume? An oven consumes 425 kWh of energy in order to provide 386 kWh of useful energy. What is its percent efficiency?