No 2. Fisika Kapasitor, yang a dan b

A = 2,25 cm² = 2,25×10⁻⁴ m²
d = 2 mm = 2×10⁻³ m
C = __?

C = ε₀ εᵣ A / d

a][ jika εᵣ = 1
C = 8,85×10⁻¹² • 1 • 2,25×10⁻⁴ / 2×10⁻³
C = 9,96×10⁻¹³ F

b][ jika εᵣ = 7
C = 8,85×10⁻¹² • 7 • 2,25×10⁻⁴ / 2×10⁻³
C = 6,97×10⁻¹² F