A series RLC circuit has components with following values: L = 20.0 mH, C = 100 nF,

Question:

A series RLC circuit has components with following values: L = 20.0 mH, C = 100 nF, R = 20.0 Ω, and ∆Vmax = 100 V, with ∆v = ∆Vmax sin wt. Find
(a) The resonant frequency,
(b) The amplitude of the current at the resonant frequency,
(c) The Q of the circuit, and
(d) The amplitude of the voltage across the inductor at resonance.