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

Feb 24, 2012 · A transformer is defined as a passive electrical device that transfers electrical energy from one circuit to another through the process of electromagnetic induction.

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

Nov 17, 2025 · A transformer is a static electrical device that transfers energy between circuits using electromagnetic induction. It changes AC voltage levels (step-up or step-down) while maintaining the …

May 22, 2026 · What is a transformer? A transformer is a device that transfers electric energy from one alternating-current circuit to one or more other circuits, either increasing (stepping up) or reducing …

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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 …