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Calculate the coefficient of performance of an ideal refrigerator working between -13 ^(@)C and 27^(@)C ? |
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Answer» Solution :`T_(1) = 27 + 273 = 300 K, T_(2) = - 132 73 = 260 K` Coefficient of porformance `= (T_(2))/( T _(1) - T_(2)) = (260)/( 300 - 260 ) = (260)/( 40) = 6.5` |
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