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New page: An '''inductor''' (also referred to as a "choke" or a "coil") is an electrical component used to store electrical energy, or filter high frequencies out of a signal. They are usua...
An '''inductor''' (also referred to as a "choke" or a "coil") is an [[electrical]] component used to store electrical energy, or [[filter]] high frequencies out of a signal.
They are usually constructed by winding insulated wire into a coil, which may or may not have a ferritic core to increase the inductance.
The "function" of an inductor may also be replaced with op-amp circuits for very small signals.
An inductor with two separate windings becomes a [[transformer]] - a device for changing or isolating [[alternating current]] voltage in circuits.
==See also==
*[[Resistor]]
*[[Capacitor]]
[[Category:Electronics]]
They are usually constructed by winding insulated wire into a coil, which may or may not have a ferritic core to increase the inductance.
The "function" of an inductor may also be replaced with op-amp circuits for very small signals.
An inductor with two separate windings becomes a [[transformer]] - a device for changing or isolating [[alternating current]] voltage in circuits.
==See also==
*[[Resistor]]
*[[Capacitor]]
[[Category:Electronics]]