Physics · Thermodynamics
For a heat engine cycle, which of the following relations is always true according to the first law of thermodynamics? [where Q = heat transfer, W = Work transfer]
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Σcycle Q < Σcycle W
- 2Σcycle Q > Σcycle W
- 3Σcycle Q = Σcycle W✓
- 4Σcycle Q = 0, Σcycle W = 0
Correct answer
Σcycle Q = Σcycle W
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