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A microwave oven with a power rating of 1,790 watts is used for 49 minutes. How much electrical energy is used by the microwave
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Oct 2, 2019
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A microwave oven with a power rating of 1,790 watts is used for 49 minutes. How much electrical energy is used by the microwave
Physics
high-school
Steven Schlansker
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Steven Schlansker
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1790 = electrical energy / 2940 seconds
Electrical energy = 5262.6kJ
or
1.79kW X 49/60
= 1.46kWh
Yuriy Tseretyan
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Oct 6, 2019
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Yuriy Tseretyan
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