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For a series \( R L C \) circuit \( R=X_{L}=2 X_{C} \). The
P impedance of the circuit and phase difference

W (between) \( V \) and \( i \) will be
(1) \( \frac{\sqrt{5} R}{2}, \tan ^{-1}(2) \)
(2) \( \frac{\sqrt{5} R}{2}, \tan ^{-1}\left(\frac{1}{2}\right) \)
(3) \( \sqrt{5} X_{C}, \tan ^{-1}(2) \)
(4) \( \sqrt{5} R, \tan ^{-1}\left(\frac{1}{2}\right) \)
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