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Electrical and electronics measurements miscellaneous

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Electrical and electronics measurements miscellaneous
  1. The size of potential transformers is
    1. the same as that of power trans- formers of the same VA rating
    2. much greater than that of power transformers of the same VA rating because they are designed for low ratio and phase angle errors which require large sized cores and winding conductors
    3. smaller than that of power transformers of the same VA rating
    4. none of these
Correct Option: D

NA


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