The capacitance of a parallel plate capacitor with air as medium is $6\mu \text{F}$. With the introduction of a dielectric medium, the capacitance becomes $30\mu \text{F}$. The permittivity of the medium is:(${ϵ}_0=8.85\times 10^{-12}{\text{C}}^2{\text{ N}}^{-1}{\text{ m}}^{-2}$)

1. A
   $0.44\times 10^{-13}{\text{C}}^2{\text{ N}}^{-1}{\text{ m}}^{-2}$
2. B
   $1.77\times 10^{-12}{\text{C}}^2{\text{ N}}^{-1}{\text{ m}}^{-2}$
3. C
   $0.44\times 10^{-10}{\text{C}}^2{\text{ N}}^{-1}{\text{ m}}^{-2}$
4. D
   $5.00{\text{C}}^2{\text{ N}}^{-1}{\text{ m}}^{-2}$