A) 0.02 W
B) 400 W
C) 5 × 10?10 W
D) 0.2 W
Correct Answer: A
Solution :
\[\text{Power}=\frac{\text{workdone}}{\text{time}}=\frac{\text{pressure }\times \text{ change in volume}}{\text{time}}\] = \[\frac{20000\times 1\times {{10}^{-6}}}{1}\]\[=2\times {{10}^{-2}}=0.02\ W\]
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