Consider a parallel-plate capacitor whose (circular) plates are separated by a 3.0-mm-thick slabof glass with dielectric constant 5.0. The diameter of each plate is 4.0 cm, and the slab fills theentire volume between the plates. The electric field between the plates with the dielectric inplace has magnitude 8.0 x 103 V/m.(a) Find the magnitude of the charge on either plate of the capacitor.(b)Now suppose the slab of glass is removed, leaving an air gap between the plates.Calculate the total energy stored in this capacitor and the energy density (energy per unitvolume).

The circular parallel plate capacitor has a plate diameter of 4 cm, separated by a distance of 3 mm…

Answered: Consider a parallel-plate capacitor…

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