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Physics
A spherical conductor with radius of 2 m. What will be the value of capacitance?
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Q. A spherical conductor with radius of $2 m$. What will be the value of capacitance?
Electrostatic Potential and Capacitance
A
$10^{-2} F$
9%
B
$4 \times 10^{-2} F$
21%
C
$2.2 \times 10^{-10} F$
64%
D
$5 \times 10^{-5} F$
6%
Solution:
$C=4 \pi \varepsilon_{0} R$
$ \therefore C =\frac{2}{9 \times 10^{9}}=0.22 \times 10^{-9}$
$C =2.2 \times 10^{-10} F$