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Parallel-Plate Capacitor
Key Concepts — Parallel-Plate Capacitor
01
Capacitance C = Q/V, measure of charge stored per volt.
02
Parallel plates: C = ε₀A/d (vacuum). Add dielectric κ: C = κε₀A/d.
03
Energy stored U = ½CV² = Q²/(2C).
Capacitance C = Q/V, measure of charge stored per volt.
Parallel plates: C = ε₀A/d (vacuum). Add dielectric κ: C = κε₀A/d.
Energy stored U = ½CV² = Q²/(2C).