Obtain the formula for energy density of electric field between the plates of a parallel plate capacitor.
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If we multiply the energy density by the volume between the plates, we obtain the amount of energy stored between the plates of a parallel-plate capacitor UC=uE(Ad)=12ϵ0E2Ad=12ϵ0V2d2Ad=12V2ϵ0Ad=12V2C.
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