Examveda
Examveda

The purpose of providing iron core in a step-up transformer is

A. To provide coupling between primary and secondary

B. To increase the magnitude of mutual flux

C. To decrease the magnitude of magnetizing current

D. To provide all above features

Answer: Option C

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Comments ( 1 )

  1. H Ali
    H Ali :
    3 months ago

    I think option D should be right

Related Questions on Transformers

A good voltage regulation of a transformer means

A. output voltage fluctuation from no load to full load is least

B. output voltage fluctuation with power factor is least

C. difference between primary and secondary voltage is least

D. difference between primary and secondary voltage is maximum