(13 Marks) 2. (a) Consider the circuit in Figure 2.1. The switch S has been closed for a long time. At t=0, the switch is opened. Use the s-domain analysis method to find the current İR (!). 20 ↑ix() ΙΩ S(t=0) 1 F 2 V i(t) 1 H 0000 3 V + 223 2i - Figure 2.1 (13 Marks)