A) \[1.1\times {{10}^{-10}}\]
B) \[{{10}^{6}}\]
C) \[9\times {{10}^{-9}}\]
D) \[{{10}^{-3}}\]
Correct Answer: A
Solution :
[a] Capacitance of spherical conductor \[4\pi {{\varepsilon }_{0}}a\] where a is radius of conductor. Therefore, \[C=\frac{1}{9\times {{10}^{9}}}\times 1=\frac{1}{9}\times {{10}^{-9}}\] \[=0.11\times {{10}^{-9}}F=1.1\times {{10}^{-10}}F\]
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