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Home Fundamentals Alternating Currents Effective, Peak, and Average Values  
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Effective, Peak, and Average ValuesAuthor: J.B. Hoag
and similarly for voltages.
For rectified alternating currents, an average value is used. This is simply the average of all the instantaneous values. For a sine wave, it is given by I_{av} = 0.636 I_{max}= 0.9I.


Home Fundamentals Alternating Currents Effective, Peak, and Average Values 