Internal energy change of a system over one complete cycle in a cyclic process is__________________?
Correct answer: A. Zero
- A. Zero
- B. +ve
- C. -ve
- D. Dependent on the path
Explanation
Internal energy is a state function, so its change depends only on the initial and final states. After a complete cycle the system returns to its initial state, making the net internal-energy change zero.
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