A) \[28{}^\circ C\]
B) \[48{}^\circ C\]
C) \[52{}^\circ C\]
D) \[68{}^\circ C\]
Correct Answer: D
Solution :
\[{{I}^{2}}Rt=ms\Delta t\] \[{{(4)}^{2}}\times (7)\times 3\times 60=0.1\times 4.2\times {{10}^{4}}\times (T-20)\] \[T=68{}^\circ C\]You need to login to perform this action.
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