1. Write down the mathematical model and Draw the block diagram then Obtain the transfer function Vo(s)/V/(s) of the electrical systems shown in Figure (1). Where V(s) denotes the input voltage and Vo(s) denotes the output voltage. C 1,(1) Figure (1) 2. Obtain mathematical models of the electrical systems shown in Figures (2). 192 19 192 ww 1H (1) 352 w oooo 1 (7) Figure (2) 3. Find the transfer function, G(s) =IR(S)/V(s), for the electrical system shown in Figure (3). 3F 1H elle 2 H 0000 4(1) 1F Figure (3) 302 www ig(1)