A paraller plate capacitor having capacity 12 pF is charged by a battery to a potential difference of 10 V between its plates. The charging battery is now disconnected and a poecelain slab of dielectric constant 6.5 is slipped between the plates. The work done by the capacitor on the slab is :
Energy Stored -
-
If K filled between the plates -
- wherein
(initial energy)
Since battery is disconnected charge remains same.
(final energy)
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