MCQ
In a serics LCR circuit the phase difference between the voltage and the current is 45". Then the power factor will be _________.
  • A
    0.6071
  • 0.7071
  • C
    0.8081
  • D
    1.0

Answer

Correct option: B.
0.7071
(b) 0.7071
Explanation: Power factor $=\cos (\phi)=\cos \left(45^{\circ}\right)=0.7071$

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