A computer that is 87% efficient consumes 375 kWh of energy. How much useful energy does it provide?

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?

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03-10-2022
Physics

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A computer that is 87% efficient consumes 375 kWh of energy. How much useful energy does it provide?

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?

Sagot :

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