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JEE Main20206 Sep 2020Morning ShiftPhysicsAlternating CurrentActual

An AC circuit has R = 100 Ω , C = 2 μ F and L = 80 mH , connected in series. The quality factor of the circuit is :

Options

  1. A2
  2. B0.5
  3. C20
  4. D400

Correct answer

A. 2

Step-by-step solution

The quality factor of LCR circuit is given by Q = ω L R = 1 R L C = 1 100 80 × 10 - 3 2 × 10 - 6 = 2

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