what is transformer ?
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A transformer is a static electrical device that transfers electrical energy between two or more circuits. A varying current in one coil of the transformer produces a varying magnetic flux, which, in turn, induces a varying electromotive force across a second coil wound around the same core.
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babul8447:
is its power is constant at primary winding and secondary winding ?
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The ac current at the power station is stepped up .This is done by an electrical device called transformer .....I HOPE IT WILL HELP YOU
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