The switch in Fig. 7.47 is closed at t = 0. Find i(t) and v(t) for all time. t=0 20u(-t) V (+1 5Ω ww + 0.2 F 10 Ω 3 A

Determine the inductor current i(t) for t > 0 for the circuits in Fig. 7.119. 6 A 4Ω 3 H Fig. 7.119 ell ww

h the following circuit, the sitch a long time.It switches to positiun B at t=0. Calco lute is in position A for a inductor (urpent for 1k 1V t:0 1002

1. An abrupt Si p-n junction has Na = 1017 cm³ on the p side and Na = 1016 cm³ on then side. At 300 K, (a) calculate the Fermi levels, draw an equilibrium band diagram, and find Vo from the diagram.