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Physics, 08.07.2021 18:50 nate102201

The Sankey diagrams below show the energy transfers in two light bulbs. What is the efficiency of light bulb 1? 1: 80j Input energy 40j Useful energy. 2: 1ØJ Useful energy 80j input energy ​

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The Sankey diagrams below show the energy transfers in two light bulbs. What is the efficiency of li...
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