What will happen if the primary of a transformer is connected to D.C. supply? 

(A) Transformer will operate with low efficiency (B) Transformer will operate with high efficiency (C) No effect (D) Transformer may start to smoke and burn 
asked May 8, 2018 in Electrical Engineering by
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What will happen if the primary of a transformer is connected to D.C. supply? 

(A) Transformer will operate with low efficiency (B) Transformer will operate with high efficiency (C) No effect (D) Transformer may start to smoke and burn 

answered May 8, 2018 by