A) 20°C
B) 40°C
C) 80°C
D) 100°C
Correct Answer: B
Solution :
\[\frac{Q}{t}=\frac{KA\Delta \theta }{l}\]Þ \[6000=\frac{200\times 0.75\times \Delta \theta }{1}\] \ \[\Delta \theta =\frac{6000\times 1}{200\times 0.75}=40{}^\circ C\]You need to login to perform this action.
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