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A machine puts out 20 watts of power for every 100 watts put into it what’s the efficiency of the machine?

A machine puts out 20 watts of power for every 100 watts put into it what’s the efficiency of the machine?
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14 votes
A machine puts out 20 watts of power for every 100 watts put into it what’s the efficiency of the machine?

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User Shubhanshu Mishra
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8.1k points

1 Answer

5 votes
The answer is 4 dived by 3
answered
User Skeeter
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