AIEEE 2008 Solved Paper

A parallel plate capacitor with air between the plates has capacitance of 9pF. The separation between its plates is ‌′d‌′. The space between the plates has dielectric constant k1=3 and thickness ‌

d

3

while the other one has dielectric constant k2=6 and thickness ‌

2d

3

. Capacitance of the capacitor is now