Answer Posted / aloke

HI MR. Sudhir & Ramya ...actually the ans is..."power factor
occur means" ,The current and voltage applied to the load
already has a phase difference (difference between the
approximate sinosoidal voltage and current wave). The load
which is now connected can makes a change or not in the
phase which already they have. In the case of pure resistive
load the phase will not be changed and in the case of
inductive load the current will more lags of the voltage
wave. thanku

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