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Perhaps an electrical AC transformer can have 99 percent efficiency. A loudspeaker can have only 1 percent efficiency.

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Perhaps an electrical AC transformer can have 99 percent efficiency. A loudspeaker can have only 1 percent efficiency.

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Standard Electrical Efficiency Rating

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Saves money/resourceces.

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The efficiency of a device in electronics and electrical engineering is defined as useful power output divided by the total electrical power consumed.

Scroll down to related links and look at "Electrical efficiency - Wikipedia".

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To get maximum efficiency i.e 100%.

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