When the current flowing through an inductor changes, the time-varying magnetic field induces a voltage in the conductor, according to Faraday’s law of electromagnetic induction, which opposes the change in current that created it.Īn inductor is characterized by its inductance, the ratio of the voltage to the rate of change of current, which has units of henries (H). When a current flows through it, energy is stored temporarily in a magnetic field in the coil. It consists of a conductor such as a wire, usually wound into a coil. "An inductor, also called a coil or reactor, is a passive two-terminal electrical component which resists changes in electric current passing through it. The vector stencils library "Inductors" contains 41 symbols of inductor elements for drawing electronic circuit diagrams.
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