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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

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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4 votes
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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User Steven Schlansker
by
8.0k points

1 Answer

2 votes
1790 = electrical energy / 2940 seconds
Electrical energy = 5262.6kJ

or

1.79kW X 49/60
= 1.46kWh
answered
User Yuriy Tseretyan
by
9.1k points
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