Multiple choice

If a 220/440V, 50 Hz single phase transformer operates on 220V, 40 Hz supply with secondary winding, then

  1. eddy current and hysteresis loss of the transformer decreases

  2. eddy current and hysteresis increases

  3. hysteresis loss increases, while eddy current remains the same

  4. hysteresis loss remains the same, whereas eddy current decreases

  5. None of these
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A Correct answer
Explanation

Yes, it is the correct choice. 

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