A) \[1.1\times {{10}^{-10}}\]
B) \[{{10}^{-6}}\]
C) \[9\times {{10}^{-9}}\]
D) \[{{10}^{-3}}\]
Correct Answer: A
Solution :
\[C=4\pi {{\in }_{0}}R=\frac{1}{9\times {{10}^{9}}}\times 1=1.1\times {{10}^{-10}}F\]
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