Q. For a symmetrical AC wave, the average value will be determined from the ……………….. of the waveform.
Solution:
The diagram shows some symmetrical AC wave forms. When the average value of one of the is calculated, only half of the wave form will be considered. This is because when the whole cycle is considered for the calculation, the effect of positive cycle will be always cancelled by the negative cycle. To avoid this, either positive or negative half cycle only is considered to calculate the average value. Its applicable for all types of symmetrical AC waves.
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