A) \[2.5\times {{10}^{7}}\,kWh\]
B) \[2.5\,\times {{10}^{3}}kWh\]
C) \[2.5\,\times {{10}^{6}}kWh\]
D) \[2\times {{10}^{8}}kWh\]
Correct Answer: A
Solution :
\[\Delta E=m{{c}^{2}}\] \[\Delta E=\frac{0.1}{100}\times 9\times {{10}^{16}}J\] \[=\frac{9\times {{10}^{13}}}{36\times {{10}^{5}}}kWh\] \[=2.5\times {{10}^{7}}kWh\]
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