問題詳情

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 



參考答案