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26 February, 16:06

If a high voltage transformer has 100 primary turns and 50,000 secondary turns and is supplied by 220v and 100a, what are the secondary voltage and current

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  1. 26 February, 19:02
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    Ratio of primary turns to secondary turns = 100/50000=1/500

    Voltage = 220*500=110000

    Power = 220*100=22000W

    Current in secondary coil=22000/110000=0.2A
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