Question

what is transformer ?​

Answer 1

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Q.what is transformer ?

Answer:- Device that converts an alternating (A/C) current of a certain voltage to an alternating current of different voltage, without change of frequency, by electromagnetic induction. A 'step up' transformer receives a low voltage and converts into a higher voltage, and a 'step down' transformer does just the reverse.

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Answer 2

Explanation:

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