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Inductor Energy Calculator

Find the energy stored in a magnetic field of an inductor.

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Formula
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Formulas

E = ½ × L × I²

L = inductance (H), I = current (A), E = energy (J)

Inductor Energy

Inductors store energy in magnetic fields, unlike capacitors which use electric fields. Energy is proportional to inductance and the square of current. Used in power converters, filters, and energy storage.