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AC is the magnitude of sinosudial-wave but we use cose value to determine power factor instead of sine value.
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Answer Posted / pradyumna chandra panda
Current leg or lead behind or ahead the voltage from maximum value ( from 90°) of alternative Qnty is called legging or leading power factor which is equal to rest valve ( 90° - legg / + lead) of sine ie. legging 36° of cose value ( .8 ) is equal to rest value of sine 54° (90°-36°) ie .8 Therfore we indirectly use sine value by appling cose value. Is this correct ? plz give your openion.
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