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

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A transformer or trafo is a passive component that transfers electrical energy from one electrical circuit to another circuit, or multiple circuits. A varying current in any coil of the transformer produces a varying magnetic flux in the transformer's core.

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Photo credit: © Ron Giling / Alamy / Afripics
License: Licensed
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Keywords: ac, education, electricity, energy, meter, practicum, science, test, trafo, transformer, voltage