Answer Posted / zafar iqbal khattak

Active power is urseful power which does a useful work.
like motin. heat and light.and v measure in KW or MW

while reactive power is stored in circuit in form of
megnatic enery and electrostaric energy .its utilized in
magnitaziation of core of the machine. and v measure in
KVAR or MWAR

and sume of both is apparant power,and v measure in KVA or
MVA.
hope it will clear ur concept.

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