DGVCL Exam Paper (12-06-2016)
What will happen if the primary of a transformer is connected to DC supply?

No effect
Transformer will operate with low efficiency
Transformer will operate with high efficiency
Transformer may start to smoke and burn

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DGVCL Exam Paper (12-06-2016)
A fuse wire should have :

High specific resistance and high melting point
Low specific resistance and high melting point
Low specific resistance and low melting point
High specific resistance and low melting point

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