A parallel plate capacitor having capacitance 12pF is charged bya battery to a potential
Channel: Doubtnut
Date: 2020-01-03

A parallel plate capacitor having capacitance 12pF is charged bya battery to a potential difference of 10V between its plates. The charging battery is now disonnected and a porcelain slab of dielectric constant 6.5 is slipped between the plates. The work done by the capacitor on the slab is