A) 25
B) 50
C) 100
D) 200
Correct Answer: A
Solution :
\[Q={{h}_{c}}\,A.dt\] 500 \[={{h}_{c}}\times 2\times 2\,\left( 30-25 \right)\] \[{{h}_{c}}=\frac{500}{20}=25\,W/{{m}^{2}}C\]You need to login to perform this action.
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