Exam-style question
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How can you determine the net work output from a complete cycle on a p-V diagram?.
- A.By measuring the total area inside the cycle
- B.By calculating the difference between heat added and work done
- C.By finding the area of the largest rectangle within the cycle
- D.By summing the areas of all individual processes
Model answer
What a good answer should say
- By measuring the total area inside the cycle
Explanation
Why this works
The net work output from a complete cycle on a p-V diagram is determined by measuring the total area enclosed by the cycle. This area represents the work done by the gas over one complete cycle, illustrating the energy transfer involved in the thermodynamic process.
This understanding is crucial for evaluating the efficiency of heat engines.
Common mistake
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