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How much useful energy is given out by an appliance supplied by 500 J and wastes 250 J?

How much useful energy is given out by an appliance supplied by 500 J and wastes 250 J?
17.4k views
9 votes
How much useful energy is given out by an appliance supplied by 500 J and wastes
250 J?

User Erenor Paz
by
8.2k points

1 Answer

2 votes
I think the answer is 250
User Hemmelig
by
8.0k points
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