What do you know about transformer

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A transformer is an electrical device that transfers electrical energy from one circuit to another through electromagnetic induction.

Transformers are used to increase or decrease the voltage of an alternating current (AC) power supply.
They consist of two coils of wire wrapped around a magnetic core.
The coil that receives the electrical energy is called the primary coil, while the coil that delivers the energy is called the secondary coil.
Transformers are used in power distribution systems, electronic devices, and many other applications.
Examples of transformers include step-up transformers, step-down transformers, isolation transformers, and autotransformers.

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