Question

How do you calculate energy efficiency?

Answer 1

Answer:

By calculating the energy efficiency

Answer 2

Answer:

Energy efficiency is calculated by dividing the energy obtained (useful energy or energy output) by the initial energy (energy input). For example, a refrigerator has an energy efficiency of 20 to 50%, an incandescent bulb about 5%, a LED lamp over 30%, and a wind turbine 59% at most.

Explanation:

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