Question: Two parallel-plate capacitors are identical except that capacitor 1 has vacuum between the plates and capacitor 2 has a dielectric slab of dielectric constant (kappa)

Two parallel-plate capacitors are identical except that capacitor 1 has vacuum between the plates and capacitor 2 has a dielectric slab of dielectric constant $\kappa$ filling the space between the plates. The capacitors are connected to identical batteries. Compare the two based on (a) capacitance, $(b)$ charge stored, $(c)$ energy stored, $(d)$ electric field magnitude, and $(e)$ energy density.

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We know that the capacitance C of a parallelplate capacitor is C A d where is the permittivity of free space constant value A is the plate area consta... View full answer

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