The transformer is a device that transfer electrical power between two or more electrical circuit through electromagnetic induction. Transformer works on the principle of electromagnetic induction. Alternating input voltage that lies the primary cause magnetic flux that ideally all connected with the secondary winding. These alternating flux induces an electromotive force (emf) in the secondary winding. If efficiency is perfect, all the power on the primary winding would be transferred to the secondary winding.
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