A parallel plate capacitor is made of two plates of length 1

Last updated: 6/19/2023

A parallel plate capacitor is made of two plates of length 1 width oo and separated by distance d A dielectric slab dielectric constant K that fits exactly between the plates is held near the edge of the plates It is pulled into au the capacitor by a force F x is the enerey of the capacitor when dielectric is inside the capacitor up to distance x See figure If the charge on the capacitor is Q then the force on the dielectric when it is near the edge is 1 2 3 Q d K 2001 Q 0 2dl o K 1 0 d 2001 K 1 Q w K 1 where U X1 X