. Assume steady-state before the switching operation (t = 0-), and steady-state a long time after the switching (t = ). Find: a) i(0), vc(0), and VR1 (0+) (3 points) b) di (0+)/dt, and dvc (0+)/dt (4 points) c) IL (), vc () and VR1 () (3 points) 48 V 24 Q2 R1 t = 0 12 Q2 802 ic 0.1 F iL 0.5 H