A 53 efficient device uses chemical energy to generate 560
A 53 % efficient device uses chemical energy to generate 560 J of electric energy. 1100 J of energy is used.
1) A second device utilizes twice as much chemical energy to generate half as much electric energy. What is its efficiency?
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a 53 efficient device uses chemical energy to generate 560 j of electric energy 1100 j of energy is used1 a second
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