A Transformer Is Used To Light A 100 W And 110 V Lamp From A 220 V Mains. If The Main Current Is 0.5 A, The Efficiency Of Transformer Is Approximately

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Jasmine 329 Days Ago

1 Answers

  • Correct answer C

    329 Days Ago

    asked Apr 13 3:57:17 PM

    Chahat Ali

    Q: 550 A: 3595

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