A

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Q. In AC circuits, AC meters measure

  • (A) Mean values
  • (B) Rms values
  • (C) Peak values
  • (D) Mean square values
  • Correct Answer - Option(B)
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  • Filed under category Physics
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Explanation by: Admin
An AC meter calibrated to accurately read RMS voltage or current on a pure sine wave will not give the proper value while indicating the magnitude of anything other than a perfect sine wave. This includes triangle waves, square waves, or any kind of distorted sine wave.

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