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what is the power factor?please tell me uses.
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Answer Posted / masoom raza
its cosine of angle between voltage and current of the given system.
its present in both ac and dc circuit but in case of dc its always 1 as angle between voltage and current in this case is always 0 degree.so generally we don't talk about pf in dc.
but in case of ac it varies from 0 to 1.
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