In electrical engineering, a transformer is a passive component that transfers electrical energy from one electrical circuit to another circuit, or multiple circuits.

Jan 2, 2026 · Transformer, device that transfers electric energy from one alternating-current circuit to one or more other circuits, either increasing (stepping up) or reducing (stepping down) the voltage.

Feb 24, 2012 · A SIMPLE explanation of Transformers. Learn what a Transformer is, its working principle, and how a Transformer works. We also discuss how transformers can step up or step down ...

Transformers are electrical devices consisting of two or more coils of wire used to transfer electrical energy by means of a changing magnetic field.

Jan 10, 2026 · A transformer is a passive electrical device designed to transfer electrical energy between circuits. This transfer occurs without any direct metallic connection between the input and …

Jul 23, 2025 · A transformer either increases AC voltage (Step-up transformer) or decreases AC voltage (Step-down transformer). A transformer, which is normally utilized in the transmission and …

Sep 25, 2025 · A transformer is an electromagnetic device that transfers electrical energy between circuits without altering frequency or power. It improves the efficiency and safety of power systems …