A) \[4\times {{10}^{4}}J\]
B) \[4\times {{10}^{10}}J\]
C) \[4\times {{10}^{-2}}J\]
D) \[2\times {{10}^{-2}}J\]
Correct Answer: C
Solution :
\[U=\frac{1}{2}C{{V}^{2}}=\frac{1}{2}\times 2\times {{10}^{-6}}\times {{(200)}^{2}}=4\times {{10}^{-2}}J\]
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