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What is the efficiency of a device that gives you 10 units of useful energy for every 100 units you put in it?

A1
B0.5 What is the efficiency of a device that gives you 10 units of useful energy for every 100 units you put in it?
A1
B0.5

Verified Answer :

AL2006

Efficiency = (useful output) / (input). For this device, it's 0.1 or 10%. The correct answer isn't listed as one of the choices.

jordanr03

Answer: 0.1

Explanation:

i have this question and it’s the only answer not listed.

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