Temperature inside the refrigerator, = 9 = 9 + 273 K = 282 K
Room temperature, = 36 = 36 + 273 = 309 K
Coefficient of performance = = = 10.44
Therefore, the coefficient of performance is 10.44
<p>Temperature inside the refrigerator, <span title="Click to copy mathml"><math><msub><mrow><mrow><mi>T</mi></mrow></mrow><mrow><mrow><mn>1</mn></mrow></mrow></msub></math></span> = 9 <span title="Click to copy mathml"><math><mi>? </mi></math></span> = 9 + 273 K = 282 K</p><p>Room temperature, <span title="Click to copy mathml"><math><msub><mrow><mrow><mi>T</mi></mrow></mrow><mrow><mrow><mn>2</mn></mrow></mrow></msub></math></span> = 36 <span title="Click to copy mathml"><math><mi>? </mi></math></span> = 36 + 273 = 309 K</p><p>Coefficient of performance = <span title="Click to copy mathml"><math><mfrac><mrow><mrow><msub><mrow><mrow><mi>T</mi></mrow></mrow><mrow><mrow><mn>1</mn></mrow></mrow></msub></mrow></mrow><mrow><mrow><mi mathvariant="normal"></mi><msub><mrow><mrow><mi>T</mi></mrow></mrow><mrow><mrow><mn>2</mn></mrow></mrow></msub><mo>-</mo><msub><mrow><mrow><mi>T</mi></mrow></mrow><mrow><mrow><mn>1</mn></mrow></mrow></msub><mi></mi></mrow></mrow></mfrac></math></span> = <span title="Click to copy mathml"><math><mfrac><mrow><mrow><mn>282</mn></mrow></mrow><mrow><mrow><mn>309</mn><mo>-</mo><mn>282</mn></mrow></mrow></mfrac></math></span> = 10.44</p><p>Therefore, the coefficient of performance is 10.44</p>
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