Answer / s.a.mohamed faisal

In case of a step up transformer, supplying to the secondary
would produce a stepped down voltage at its primary.And in
step own transformers its vice-versa.

Answer / ranvir

There is not structural difference in between primary and
secondary winding.Bothe winding can be used to give
input.If your transformer ratio os 1:2 , if you used
opposite it will be work as a 2:1 transformer.

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