Why DC is not used in transformer? Direct current(DC) has no time varying field because current is constant as well as there is no relatively motion between coil and core(magnetic circuit) of the transformer. So there is no induced emf in secondary coil of the transformer.Transformer fails to transfer power from primary to secondary. - Study24x7
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Karan Singh
26 Mar 2019 11:09 AM study24x7 study24x7

Why DC is not used in transformer?
Direct current(DC) has no time varying field because current is constant as well as there is no relatively motion between coil and core(magnetic circuit) of the transformer. So there is no induced emf in seconda...

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