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If V = (a + jb) and I = (c + jd), then the active power is given by
- Aac + ad
- Bac - bd
- Cbc - bd
- Dad + bc
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CCommunity
Power = VI = (a + jb)(c + jd)
= ac + jad + jbc - bd
= (ac - bd) + j(ad + bc)
= P + jQ
Real power or active power = P = (ac - bd)
Reactive power = Q = (ad + bc)
= ac + jad + jbc - bd
= (ac - bd) + j(ad + bc)
= P + jQ
Real power or active power = P = (ac - bd)
Reactive power = Q = (ad + bc)