Electro Magnetic Induction And Alternating Currents Question 14

Question: The power factor of LCR circuit at resonance is [MP PMT 1991; RPMT 1999; RPET 2001; UPSEAT 1999]

Options:

A) 0.707

B) 1

C) Zero

D) 0.5

Show Answer

Answer:

Correct Answer: B

Solution:

At resonance, LCR circuit behaves as purely resistive circuit, for purely resistive circuit power factor = 1



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