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Plate area of a parallel plate capacitor is 1cm2 and plate separation is 0.1 mm. The space between the plates is completely filled by a dielectric slab of dielectric constant 3. Then capacitance of the capacitor is 

a
18.37 pF
b
26.55 pF
c
32.12 pF
d
28.75 μF

detailed solution

Correct option is B

C=∈​0KAd=8.85×10−12×3×10−40.1×10−3  farad⇒C=26.55​ pF

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