A transformer is a device for stepping-up, or stepping-down, the voltage of an alternating electric signal. Without efficient transformers, the transmission and distribution of AC electric power over long distances would be impossible.
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Similar Questions
Q1
A transformer is a device which gives only ac voltage.
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Q2
Statement A: Step up transformer converts low voltage, high current to high voltage, low current. Statement B: Transformer works on both ac and dc.
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Q3
A transformer is designed to convert an AC voltage of 220 V to an AC voltage of 12 V. If the input terminals are connected to a DC voltage of 220 V, the transformer usually burns. Explain.