A) \[692\text{ }pJ\]
B) \[508\text{ }pJ\]
C) \[560\text{ }pJ\]
D) None of these
Correct Answer: D
Solution :
| \[W=\frac{{{Q}^{2}}}{2c}-\frac{{{Q}^{2}}}{2ck}\] |
| \[=\frac{{{Q}^{2}}}{2c}\left[ 1-\frac{1}{k} \right]\] |
| \[=\frac{1}{2}\times 12\times 100pJ\left( 1-\frac{1}{6.5} \right)\] |
| \[=\frac{12\times 100\times 11}{2\times 13}pJ\] |
| \[=507.69pJ.\] |
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