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Sagot :
The input energy of the air conditioner is
[tex]E_{i\text{ n}}=10832\text{ J}[/tex]The output energy of the air conditioner is
[tex]E_{out}=5488\text{ J}[/tex]The formula to calculate efficiency is
[tex]\eta=\frac{E_{out}}{E_{i\text{n}}}\times100\text{ percentage}[/tex]Substituting the values, the efficiency will be
[tex]\begin{gathered} \eta=\frac{5488}{10832}\times100\text{ percentage} \\ =50.66\text{ percentage.} \end{gathered}[/tex]Thus the energy efficiency is 50.66%.
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