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JEE Main2002PhysicsAlternating CurrentActual

The power factor of an A C circuit having resistance (R) and inductance (L) connected in series and an angular velocity is

Options

  1. AR / L
  2. BR / ( R ^2+ ^2 L^2 )^ 1 / 2
  3. CL / R
  4. DR / (R^2- ^2 L^2 )^ 1 / 2

Correct answer

B. R / ( R ^2+ ^2 L^2 )^ 1 / 2

Step-by-step solution

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