A parallel-plate capacitor has plates of dimensions 2 cm × 3 cm separated by a 1 mm thickness of the paper. The capacitance of this device is (Given: dielectric constant of paper K = 3.7 and ϵ0 = 8.85 × 10-12 C2 N-1 m-2)

A parallel-plate capacitor has plates of dimensions 2 cm × 3 cm sepa

1.	A parallel-plate capacitor has plates of dimensions 2 cm × 3 cm separated by a 1 mm thickness of the paper. The capacitance of this device is (Given: dielectric constant of paper K = 3.7 and ϵ0 = 8.85 × 10-12 C2 N-1 m-2)
A.	20 pF
B.	10 pF
C.	10 μF
D.	20 μF
Answer» B. 10 pF