أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
since dc does not induce flux there wont be any counter mmf from secondary winding hence primary winding draws huge current resulting in the burn over.
transformer work in self induction or mutual induction in dc it can not work & also burnt out primary winding because of no back EMF .
