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2015-08-20T16:14:08+05:30

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The graph and the waveform of the current is not visible.

However, the way to calculate the RMS value of AC current is:
 1. find the mean position.
 2. find the extreme position - peak value.
  3  amplitude I₀  = peak value - mean value
   4  rms value of current = I_rms = I₀ / √2

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