A series RLC circuit is driven by a generator at frequency 1000 Hz . The inductance is 90.0 mH ; capacitance is 0.500 μ F ; and the phase constant has a magnitude of 60. 0 ∘ (Take π 2 = 10 )

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X L ​ = ω L = 180 π Ω , X C ​ = ω C 1 ​ = π 1000 ​ Ω X L ​ > X C ​ , so the circuit is inductive and voltage leads current (B) With phase 60°: R = t a n 6 0 ∘ X L ​ − X C ​ ​ = 3 ​ 80 π ​ Ω (C) Resonance: ω = L C ​ 1 ​ = 3 2 ​ ​ × 1 0 4 r a d / s (D) Answers (B, C, D)

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