Answer Posted / sarthak sahani
no a dc cannot be used with the transformers as because dc has zero frequency due to which ther is no change in magnetic flux linked with the secondary coil .......as a result of which there is no induced emf in the secondary coil hence no output.
moreover a dc can't be used as it has zero frequency it offers very less resistance due to which current flow increases resulting harm to the primary coil.........
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