what happens if dc supply is given to the transformer?
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Answer Posted / raul
if a dc supply is applied across a transformer, there will
b no transfer of power from primary to secondary through d
core bcoz by applying dc there will no change in flux and
hence no emf produced in d primary by self-induction, no
magnetisation of the core and hence no emf in d secondary
by mutual induction.......so overall there will be no
transformation of energy from primary to secondary
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