what is transformer / transformer explain

electrical transformer / basic explain.

A transformer is an electrical device that is used to transfer electrical energy between two or more circuits through electromagnetic induction. It consists of two or more coils of wire, known as the primary and secondary coils, which are wrapped around a core made of iron or another magnetic material.

When an alternating current (AC) flows through the primary coil, it creates a varying magnetic field that is linked to the secondary coil through the core. This varying magnetic field causes an AC current to flow in the secondary coil, transferring energy from the primary circuit to the secondary circuit.

One of the key features of a transformer is that it allows for the voltage of an electrical current to be increased or decreased. This is done by manipulating the number of turns in the primary and secondary coils. For example, if the number of turns in the secondary coil is greater than the number of turns in the primary coil, the voltage in the secondary circuit will be higher than in the primary circuit. Conversely, if the number of turns in the secondary coil is fewer than in the primary coil, the voltage in the secondary circuit will be lower.

Transformers are used in a wide range of applications, including power distribution, electronics, and telecommunications. They are a critical component of the electrical grid and are essential for the transmission and distribution of electricity over long distances.

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