17.Consider a parallel-plate capacitor of plate area A and plate separation. A potential difference Vo is appliedbetween the plates. The battery is then disconnected, and a dielectric slab of thickness b and dielectricconstant k is placed between the plates. Assuming A 100cm2, d 1.00cm, Vo 90V, b 0.8cm, k 2.00.What is the capacitance with the slab in place?()
(A)14.8pF
(B)16.8pF
(C)17.9pF
(D)20.9pF
(E)21.9pF 



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