Choose the incorrect statement regarding transformers:In step-up transformers, the primary coil is made from thick...
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Choose the incorrect statement regarding transformers:In step-up transformers, the primary coil is made from thick wire so that it can sustain high current.Transformers do not work on DC voltageIn transformers, EMF induced in secondary coil is 180 out of phase with EMF applied across primary coil.In transformers, steel is preferred over soft -iron as cores inside current carrying coils
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