A) \[711\mu F\]
B) \[218\mu F\]
C) \[16\mu F\]
D) \[8\mu F\]
Correct Answer: D
Solution :
[d] \[C=4\pi {{\varepsilon }_{0}}R=\frac{1}{9\times {{10}^{9}}}\times 6400\times {{10}^{3}}=711\mu F\]
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