Question
If $i _{ rms }=3.142 A$, what is $i _{ av } ($over half cycle$)$?

Answer

$i_{a v}\left(\text { over half cycle) }=\frac{2 \sqrt{2}}{\pi} i_{\text {rms }}\right.$
$=\frac{(2)(1.414)}{3.142}(3.142)$
$=2.828 A$
$[$Note: $i _{ av } $(over half cycle$) < i _{ rms } ]$

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