1.

A Carnot's engine working between 27°c and127°c takes up 800 J of heat from thereservoir in one cycle. What is the work doneby the enginea、2001A) 4001

Answer»

As we knowEfficiency (n) = 1 - T2/T1= 1 -300/400= ¼Nown = W/Q1HenceWork done = efficiency (n) * heat absorbed(Q1)= ¼ * 800= 200 Joules



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