For changing the capacitance of a given parallel plate capacitor, a dielectric material of dielectric constant K is used, which has the same area as the plates of the capacitor. The thickness of the dielectric slab is \(\rm \frac{{3}}{4}d\), where 'd' is the separation between the plates of parallel plate capacitor. The new capacitance (C') in terms of original (C0) is given by the following relation:
1
\(\rm C'=\frac{{4K}}{K+3}C_0\)
2
\(\rm C'=\frac{{4}}{3+K}C_0\)
3
\(\rm C'=\frac{{3 + K}}{4K}C_0\)
4
\(\rm C'=\frac{{4 + K}}{3}C_0\)