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An inductor is a two-terminal passive device that stores energy in a magnetic field.
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What is the utility of inductors in circuits?
Another example is in DC-DC converters where an inductor is "charged" with current and as the circuit is then opened and the current has nowhere to go, it is still being "pushed" by the inductor which … Same principle is used in gas cars to create a several kV spark from 12V battery voltage using inductor coils. …