What do transformers always transform?

Well,there are various types of transformers,but when we generally say transformer,that refers to the power transformers. As the name signifies,The power transformers transfer power from one electrical circuit to another electrical circuit. They are constant power as well as constant flux and constant frequency devices. read more

It is not clear that each of the continuities use these terms, but it has been mentioned in The Transformers cartoon, Dawn of Future's Past, the IDW Generation 1 continuity, The Covenant of Primus, Transformers: War for Cybertron, and the Prime cartoon. read more

In practical transformers, the primary and secondary conductors are coils of conducting wire because a coil creates a denser magnetic field (higher magnetic flux) than a straight conductor. Transformers alone cannot do the following: Convert DC to AC or vice versa Change the voltage or current of DC Change the AC supply frequency. read more