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What is the equation for the efficiency of a device that transfers energy?
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What is the equation for the efficiency of a device that transfers energy?

User MartinDuo
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Answer:

efficiency = useful energy out ÷ total energy in (for a decimal efficiency)

or.

efficiency = (useful energy out ÷ total energy in) × 100 (for a percentage efficiency)

Step-by-step explanation:

User Alexey Berezkin
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