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AP EAMCET202421 May 2024Evening ShiftPhysicsAlternating CurrentActual

A resistor of resistance R , inductor of inductive reactance 2 R and a capacitor of capacitive reactance X_C are connected in series to an a.c. source. If the series LCR circuit is in resonance, then the power factor of the circuit and the value X _ C are respectively

Options

  1. A0.5 and 4R
  2. B1 and 2 R
  3. C0.5 and 2R
  4. DI and 4R

Correct answer

B. 1 and 2 R

Step-by-step solution

In LCR series circuit, at resonance, X _ C = X _ L =2 R Power factor, = R Z = R R =1

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