in a carnot s engine, when T2=0°C and T1=200°C. it's efficiency is n1. when T1=0°C and T2=-200°C. it's efficiency is n2. then what is n1/n2
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Explanation:
EFFICIENCY n = T1 - T2/ T1
n1= 473 K - 273 K/ 473 K
n1 = 200 / 473
n2= 273 - 473/ 273
n2 = - 200/ 273
n1/n2= - 273/ 473
= -0.57
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