Parallel-Plate Capacitor
This interactive simulator explores Parallel-Plate Capacitor in Electricity & Magnetism. C = ε₀εᵣA/d, E = V/d, Q and energy; plates and C vs d. Use the controls to change the scenario; watch the visualization and any graphs or readouts to connect the model with lectures, labs, and homework.
Who it's for: Best once you already know the basic definitions and want to build intuition. Typical context: Electricity & Magnetism.
Key terms
- parallel
- plate
- capacitor
- parallel plate capacitor
- electricity
- magnetism
Live graphs
How it works
Two conducting plates with uniform opposite charge and a dielectric between them form a capacitor. For an ideal parallel-plate model (ignore edge fringing), capacitance scales as C ∝ εᵣA/d, the field in the gap is E = V/d, and stored energy is U = ½CV² = ½QV.
Key equations
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