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 · 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 (stepping down) the voltage.

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

What is a Transformer? In the simplest of terms, a transformer is an electrical device that takes a given input voltage and changes it to a different output voltage. This change can either be an increase or a …

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.

Jun 5, 2020 · A transformer is an electrical device designed to transfer electrical energy from one circuit to another at the same frequency. It is also referred to as a static machine since it does not have any …

6 days ago · 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 output …

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 …

A simple transformer definition is that it is a static electrical device which transforms the electrical energy from one electrical circuit to another without any change of frequency through the process of …

A transformer is an electrical device that transfers energy between circuits using electromagnetic induction. By stepping the voltage up or down, it enables efficient transmission across long distances …