In an L-R-C series circuit, R = 400 , L = 0.350 H, and C = 0.0120F.

In an L-R-C series circuit, R = 400 Ω, L = 0.350 H, and C = 0.0120μF.
(a) What is the resonance angular frequency of the circuit?
(b) The capacitor can withstand a peak voltage of 550 V. If the voltage source operates at the resonance frequency, what maximwn voltage amplimde can it have if the maximum capacitor voltage is not exceeded?