When we magnetize the ferromagnetic core of the transformer, core length_______ and it ______ when demagnetized.

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Transformers topics include: Transformer construction and phasor diagram, open circuit and short circuit test, voltage regulation of transformer, transformer losses and its efficiency, autotransformers, single phase transformer, three phase transformer and ideal two winding transformer. Transformers are electrical machines that convert electrical energy from one voltage level to another. They are static machines, while motors and generators are dynamic machines.  Here are some types of transformers: Ideal transformer: A static transformer that has no losses, magnetic leakage, core loss,... Show more

When we magnetize the ferromagnetic core of the transformer, core length_______ and it ______ when demagnetized.