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NEC Electronics · 2081 · Question 22

Which of the following equations correctly expresses the power factor (cos Φ) of an AC circuit?

R/L/C Circuit and AC Power

Asin Φ = True power / Apparent power
Bcos Φ = True power / Apparent power
Csin Φ = Apparent power / True power
Dcos Φ = Apparent power / True power
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