MCQ
First law of thermnodynamics is given by
- ✓$d Q=d U+P d V$
- B$d Q=d U \times P d V$
- C$d Q=(d U+d V) P$
- D$d Q=P d U+d V$
✓
Answer
Correct option: A.
$d Q=d U+P d V$
(a) $\Delta Q=\Delta U+\Delta W$ and $\Delta W=P \Delta V$
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