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what will be happen if we apply D.C supply to the
transformer
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Answer Posted / atul sharma
as we know that it works on electro magnetic induction. when we applied d.c voltage across the primary winding a flux of constant magnitude will be set up in the core. hence there will be not be any self induced e.m.f in the primary winding to oppose the applied voltage.so it will draw more current as compare 2 a.c as a result it will burn the primary winding and damage the transformer this is bec d.c flow in a straight line so their is no rate of change of flux linkages as in a.c
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