Q)
A charged spherical conductor has a surface density of $0.07C \;cm^{–2}$. When the charge is increased by $4.4\;C$, the surface density changes to $0.084 \;C cm^{–2}$. Choose the right option/s.
(A) the initial charge of the spherical conductor is $22\;C$
(B) the capacitance of the spherical conductor $5.56 \times10^{–12}F$
(C) the initial charge of the spherical conductor is $33\;C$
(D) the capacitance of the spherical conductor $6.56 \times 10^{12}F$
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