The Square Plates of a 3000-PF Parallel-Plate Capacitor Measure 40

Multiple Choice

The square plates of a 3000-pF parallel-plate capacitor measure 40 mm by 40 mm and are separated by a dielectric that is 0.29 mm thick and completely fills the region between the plates.What is the dielectric constant of the dielectric? (ε₀ = 8.85 × 10^-12 C²/N ∙ m²)

A) 61
B) 56
C) 50
D) 45
E) 67