A) \[17.0\times {{10}^{-8}}J\]
B) \[13.5\times {{10}^{-8}}J\]
C) \[9.5\times {{10}^{-9}}J\]
D) \[8.7\times {{10}^{-7}}J\]
Correct Answer: D
Solution :
\[E=\frac{1}{2}C{{V}^{2}}\] \[=\frac{1}{2}\times (700\times {{10}^{-12}})\times 50\times 60\] \[=8.7\times {{10}^{-7}}J\]
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