The switch in Figure P720 has been open long enough for iL0 to reach 0 A and

The switch in Figure P7–20 has been open long enough for iLð0Þ to reach 0 A and is closed at t ¼ 0.

(a) If vS(t) ¼ 10 u(t) V, find vL(t) for t 0.

(b) If vS(t) ¼ 10 cos(100t) V, find vL(t) for t 0.

(c) If vS(t) ¼ 10 e100t V, find vL(t) for t 0.

Transcribed Image Text:

vs (t) + 330 w t=0 + 4702VL (1) 1H FIGURE P7-20