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Efficiency
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Useful energy output and energy input
A general definition of efficiency is the ratio between useful energy output and energy input - and can be expressed as
μ = Eo / Ei (1)
where
μ = efficiency
Eo = useful output energy (Joules)
Ei = input energy (Joules)
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Related Topics
- Thermodynamics - The effects of work, heat and energy on a system
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