Electro Magnetic Induction And Alternating Currents Question 54

Question: Power factor is maximum in an LCR circuit when [RPET 2000]

Options:

A) $ X_{L}=X_{C} $

B) $ R=0 $

C) $ X_{L}=0 $

D) $ X_{C}=0 $

Show Answer

Answer:

Correct Answer: A

Solution:

In LCR circuit; in the condition of resonance $ X_{L}=X_{C} $ i.e. circuit behaves as resistive circuit. In resistive circuit power factor is maximum.



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