No power is dissipated by an inductor.
An inductor stores energy in the magnetic field surrounding its coil during part of the cycle and then releases that energy back to the rest of the circuit during another part of the cycle as the magnetic field collapses. No power is dissipated by an inductor -- by a pure inductor; if the inductor also has resistance, its resistance dissipates power.
(c) Doug Davis, 2002; all rights reserved
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