16.2 Capacitors

CAPACITORS AND CAPACITANCE
Capacitance	C = Q / ΔV SI Unit = Farads (F); 1F = 1C/V
Potential Energy Stored in a Charged Capacitor	P.E. = ½ CΔV² = ½QΔV = Q² / 2C
Parallel Plate Capacitor	C = ε₀ A / d A = Area of Plates ε₀ = 8.85 × 10^-12C² / N•m² d = distance between plates ΔV = Ed Potential Difference Between Plates
Parallel Plate Capacitor with Dielectric	C = K ε₀ A / d K = dielectric constant

CAPACITORS AND CIRCUITS
Capacitors in Series	1/C_eq = 1/C₁ + 1/C₂ + ... Capacitors in series have the same charge (Q).
Capacitors in Parallel	C_eq = C₁ + C₂ + ... Capacitors in parallel have the same ΔV.
Circuit Symbols