η = [Q₁ - Q₂]/Q₁ = W/Q₁
Q₁ - Q₂ = W η = [T₁ - T₂]/T₁ = 1 - T₂/T₁ W/Q₁ = 1 - T₂/T₁ T₂/T₁ = 1 - W/Q₁ = [Q₁ - W]/Q₁ T₁/T₂ = Q₁/[Q₁-W] = 1*10^(5)J/[1*10^(5)J - 0,2*10^(5)J] = 1/0,8 = 1,25
temperatura źródła jest 1,25 raza większa od temperatury chłodnicy
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η = [Q₁ - Q₂]/Q₁ = W/Q₁
Q₁ - Q₂ = W
η = [T₁ - T₂]/T₁ = 1 - T₂/T₁
W/Q₁ = 1 - T₂/T₁
T₂/T₁ = 1 - W/Q₁ = [Q₁ - W]/Q₁
T₁/T₂ = Q₁/[Q₁-W] = 1*10^(5)J/[1*10^(5)J - 0,2*10^(5)J] = 1/0,8 = 1,25
temperatura źródła jest 1,25 raza większa od temperatury chłodnicy