pääkäämiin
Pääkäämiin is a Finnish term that translates to "main coil" or "primary coil" in English. It refers to the coil in an electrical device that is wound around a core and is connected to the input power source. This coil is fundamental to the operation of many electromagnetic devices, most notably transformers and inductors.
In a transformer, the pääkäämiin is responsible for receiving the alternating current (AC) from the primary
In the context of an inductor, the pääkäämiin is the primary winding that stores energy in a