2.5: Power and Efficiency - Engineering LibreTexts
https://eng.libretexts.org:443/Bookshelves/Electrical_Engineering/Electronics/DC_Electrical_Circuit_Analysis_-_A_Practical_Approach_(Fiore)/02%3A_Basic_Quantities/2.05%3A_Power_and_Efficiency
WEBMay 22, 2022 · \(P_{out}\) is the output power, \(P_{in}\) is the input power. Generally speaking, the higher the efficiency, the better. This implies less waste. In other words, if a system is 30% efficient, then 70% of the input power is wasted, whereas if a system is 99% efficient, then only 1% of the input power is wasted.
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