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Question. A series LCR circuit is connected to an ac voltage source. When L is removed from the
circuit, the phase difference between current and voltage is π/3 . If instead C is removed from the circuit, the phase difference is again π/3 between current and voltage. The power factorof the circuit is :

(1) zero

(2) 0.5

(3) 1.0

(4) –1.0                                      (NEET-2020)