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A parallel plate capacitor with air betw...

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

Text Solution

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`C_1=(epsi_0A)/(d)=8pF`
`C_(2)=k(epsi_0A)/(d//2)=(6xx2epsi_0A)/(d)=12xx8=96pF`.
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