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COMEDK2016PhysicsAlternating Current

Power factor of a series L-C-R circuit is

Options

  1. AR
  2. BZ / R
  3. CR / Z
  4. DRZ

Correct answer

C. R / Z

Step-by-step solution

The power factor is the cosine of phase angle between voltage and current. For L-C-R circuit, it is given by = R Z where, Z= impedance of circuit.

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