일반물리학 2 — Electromagnetic Oscillations and Alternating Current: Problem 5

5 In Fig. 31-7, set \(R = 400 \ \Omega\), \(C = 70.0 \ \mu\text{F}\), \(L = 920 \ \text{mH}\), \(f_d = 30.0 \ \text{Hz}\), and \(\mathcal{E}_m = 72.0 \ \text{V}\). What are (a) \(Z\), (b) \(\phi\), and (c) \(I\)? (d) Draw a phasor diagram.