This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Transformator. Forenkelt fremstilling af en fiktiv transformaters virkemde Til venstre Primr spole kommer vekselstrm ind eksemplet er det volt og ampere det er alts watt Til hjre sekundr spole kommer der ogs vekselstrm ud nu er det dog volt og ampere alts stadigvk watt own Langejan at org da Released into the public domain