The switch in Figure P7–49 has been open for a long time and is closed at t ¼ 0. The circuit parameters are L ¼1H,C¼

0.5 mF, R ¼ 1 kV, and vC(0) ¼ 10 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:

R i(t) Do ww 0=1 + C=vc(t) EL FIGURE P7-49