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In a series LCR circuit R = 10 $Ω$ and the impedance Z = 20 $Ω$ . Then the phase difference between the current and the voltage is

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Correct option is A

In LCR Ckt Tan∅=XR=Z2−R2R =202−10210 =10310=3∴ ϕ=600(or)π3aAlternately cosϕ=RZ=1020=12 ⇒ϕ=600

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In a series LCR circuit R = 10Ω and the impedance Z = 20Ω . Then the phase difference between the current and the voltage is

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In a series LCR circuit R = 10 $Ω$ and the impedance Z = 20 $Ω$ . Then the phase difference between the current and the voltage is