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Which outcome occurs when a DC circuit drives a transformer with no oscillating waveforms?

A)Transformer overheating and eventual failure
B)Rated output frequency achieved easily
C)Increased efficiency with minimized core losses
D)Secondary induced reversed polarity voltages

💡 Explanation

Transformer operation depends on Faraday's law; a changing magnetic field induces current in secondary windings. A constant DC produces a static magnetic field, rendering the transformer useless because the lack of *inductive reactance* prevents voltage transformation, therefore it overheats rather than operating efficiently.

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