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Transformer
In other words, the transformer transforms the energy from one circuit to another. This occurs through electromagnetic induction. It is known as an efficient voltage converter, which can reduce the high voltage to low voltage and vice versa. A good-condition transformer consists of two windings, namely primary winding and secondary winding. There are two types of the transformer; step up and step down transformers.
The transformer formula is given by,
Where
Vp = primary voltage,
Vs = secondary voltage,
Np = number of turns in the primary
Ns = number of turns in the secondary