5 A parallel plate capacitor has a plate area A and

Last updated: 6/10/2023

5 A parallel plate capacitor has a plate area A and separation d A battery charges the plates to a potential difference V The battery is now disconnected and a dielectric slab of dielectric d constant k thickness 2 and area A is introduced The ratio of energy stored in the capacitor before and after the slab is introduced will be 1 3 1 k 1 k 2k 2 k 4 27 CACOA d 2k 1 k