When comparing the average values of an AC generator output, to the peak values
- average voltage = 0.707 * peak voltage.
- average voltage = 0.63 * peak voltage.
- average voltage = same as the peak voltage.
Explanation from PART66Online
For a sine wave the average value over a half-cycle is 2/pi ~ 0.637 of the peak, here rounded to 0.63*peak. The factor 0.707 is the RMS-to-peak relationship, not the average, so that option confuses the two values.
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bennguli asked · 22 May 2017
explain
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