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A parallel plate capacitor with air betw...

A parallel plate capacitor with air between the plates has a capacitance of 8 pF.`(1 pF = 10^(-12)F)` What will be the capacitance if the distance between the plates is reduced by half and the space between them is filled with a substance of dielectric constant 6 ?

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`C_(1) = (in_(0)A)/(d) = 8 pF` `C_(2) = K (in_(0) A)/(d//2) = (6xx2in_(0) A)/(d) = 12xx8 = 96 pF`
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