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Obtain the relation between coefficient of performance and efficiency . |
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Answer» Solution :Coefficient of performance `ALPHA=Q_2/W=Q_2/(Q_1-Q_2) [ because W=Q_1-Q_2]` `therefore alpha = (Q_2/Q_1)/(1-Q_2/Q_1)` `therefore alpha=(Q_2/Q_1)/eta`…(1) Now EFFICIENCY of carnot ENGINE based on cyclic process `eta=1-Q_2/Q_1` `therefore Q_2/Q_1=1-eta`..(2) `therefore` From equation (1) and (2) `alpha=(1-eta)/eta` |
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