The plates of a parallel-plate capacitor have areas of 10 cm² each and are separated by 1 cm. The capacitor is filled with a dielectric material with ɛ = 4€o, and the voltage across it is given by V...

Extracted text: The plates of a parallel-plate capacitor have areas of 10 cm² each and are separated by 1 cm. The capacitor is filled with a dielectric material with ɛ = 4€o, and the voltage across it is given by V (t) = 30 cos (2r × 10°t) [V]. Find the displacement current.