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📡 Inductance Calculator
Calculate inductive reactance (XL = 2Ï€fL), time constant (Ï„ = L/R), and current rate of change.
Inductance Formulas
An inductor opposes changes in current. The voltage across an inductor is V = L × dI/dt. Inductive reactance increases with frequency: XL = 2πfL. The L/R time constant τ = L/R determines how quickly current reaches its steady state — it takes about 5τ for the current to fully stabilize.
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