The switch in Figure P7–50 has been open for a long time and is closed at t ¼ 0. The circuit parameters are L ¼1H, C ¼

1 mF, R ¼ 500 V, and vC(0) ¼ 60 V.

(a) Find vC(t) and iL(t) for t 0.

(b) Is the circuit overdamped, critically damped, or underdamped?

(c) Use OrCAD to simulate your results.

Transcribed Image Text:

+ C=vc(t) t=0 www R FIGURE P7-50 iL (t) 00 L