Explain what an ideal transformer is

An ideal transformer is a theoretical device that efficiently transfers electrical energy from one circuit to another through mutual electromagnetic induction. It has no losses, meaning it doesn't dissipate any power as heat or other forms of energy. It's characterized by perfect coupling, meaning all the magnetic flux generated by the primary winding links with the secondary winding. Additionally, an ideal transformer has no resistance in its windings and operates at 100% efficiency. However, such a device doesn't exist in reality, but it serves as a useful theoretical model for analyzing and designing real transformers.

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