A parallel-plate capacitor has arca S and plate separation d. The region betweenthe plates is filled with diclectric of diclectric constant K. The potential differencebetween the plates is U.1 What is the total clectric ficldthe diclectric?2 What is the magnitude of the charge per unit area on the inner surface of thecapacitor plates?3 What is the magnitude of the polarization charge on the surface of the diclectric?

The capacitance of a capacitor with a dielectric inside is given by C=kεoSd where k is the…

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