A Carnot engine working between 300K and 600k has a work output of 1000J per cycle. What is the amount of heat energy supplied to the engine from the source per cycle?
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Answered by
101
We know,
Work output /heat supplied = efficiency ( η ) = 1 - T₋/T₂ , here T₂ > T₁
A/C to question,
T₁ = 300K , T₂ = 600K , work output = 1000J
Now, we have to find heat supplied to the engine = ?
∴ 1000J/heat supplied = 1 - 300/600 = 1 - 1/2 = 1/2
Heat supplied = 2 × 1000 J = 2000J
Hence, heat supplied to the engine is 2000J
Work output /heat supplied = efficiency ( η ) = 1 - T₋/T₂ , here T₂ > T₁
A/C to question,
T₁ = 300K , T₂ = 600K , work output = 1000J
Now, we have to find heat supplied to the engine = ?
∴ 1000J/heat supplied = 1 - 300/600 = 1 - 1/2 = 1/2
Heat supplied = 2 × 1000 J = 2000J
Hence, heat supplied to the engine is 2000J
navya270:
But efficiency= 1-T2/T1
not Matter , efficiency = 1 - T1/T2 or 1 -T2/T1 . Just you should remind when you take T1/T2 then, T1 < T2 and if you take T2/T1 then, T2 < T1 . Because efficiency always less than 1
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