Physics · Thermodynamics
A heat engine operates between a cold reservoir at temperature T2 = 400 K and a hot reservoir at temperature T1. It takes 300 J of heat from the hot reservoir and delivers 240 J of heat to the cold reservoir in a cycle. The minimum temperature of the hot reservoir has to be:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1600 K
- 2500 K✓
- 3480 K
- 4450 K
Correct answer
500 K
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