Electricity & Magnetism

Parallel Plate Capacitor

C=ε0AdC = \varepsilon_0 \frac{A}{d}

Capacitance of parallel plate capacitor.

Variables

C
Capacitance
Capacitance
F
ε₀
Permittivity
8.85×10⁻¹²
F/m
A
Plate area
Area of each plate
d
Separation
Distance between plates
m

Derivation

From E = σ/ε₀ and V = Ed.

Your notes

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Common questions

What is the Parallel Plate Capacitor formula?

Parallel Plate Capacitor is written C = ε₀ A/d. Capacitance of parallel plate capacitor. It belongs to Electricity & Magnetism, under Capacitance.

What are the units in C = ε₀ A/d?

In SI units, C is capacitance, measured in A²·s⁴/(kg·m²); ε₀ is permittivity, measured in A²·s⁴/(kg·m³); A is plate area, measured in m²; d is separation, measured in m.

How is the Parallel Plate Capacitor formula derived?

From E = σ/ε₀ and V = Ed. The result is C = ε₀ A/d.