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A parallel-plate capacitor of area A, pl...

A parallel-plate capacitor of area A, plate separation and capacitance C is filled with four dielectric materials having dielectric constants ky, k2, kg and ki as shown in the figure below. If a single dielectric material is to be used to have the same capacitance C in this capacitor, then its dielectric constant kis given by :- A/3 III||/2 3 (1) K k, + Key + 1 kg +k₂ tkz 1 1 1 1 3 (2) k k *kkg 2kg (3) k = ky + ky + kg + 3k4 (4) k = 2 (ky + kz + kg) + 2k4

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