MCQ
The power factor of L-R circuit is :
  • A
    $R+\omega L$
  • $R/\sqrt{(R^{2}+\omega^{2}L^{2})}$
  • C
    $R.\sqrt{(R^{2}+\omega^{2}L^{2})}$
  • D
    $\omega L/R$

Answer

Correct option: B.
$R/\sqrt{(R^{2}+\omega^{2}L^{2})}$
B

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