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An inductor is a passive electrical component that thwarts the changes in electrical current that goes through it. Some types of inductors are used in alternating current systems.
A simple inductor is made up of a coil of wire. This coil temporarily stores energy in the magnetic field owing to the resistance to change of the inductor. This provides stabilization to an electrical supply.
Inductors are used in various types of power supply devices, as well as in capacitors and wireless communication setups. There is also some research on how induction can be used to facilitate wireless charging, where electromagnetic energy may be beamed from one station to another over the air.