Question

what are effect of transformer

Answer 1

The transformer effect, or mutual induction, is one of the processes by which an electromotive force (e.m.f.) is induced. In a transformer, a changing electric current in a primary coil creates a changing magnetic field that induces a current in a secondary coil

Answer 2

The transformer effect, or mutual induction, is one of the processes by which an electromotive forces  (e.m.f.) is induced. In a transformer, a changing electric current  in a primary coil creates a changing magnetic field that induces a current in a secondary coil.
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