Q7: For the open loop servo system shown in figure (7). (a) Derive the transfer function Ꮎ (s) E₁(s) 9 where 0 is the output displacement of the dc motor, and E, is the input voltage to the dc motor. (b) Find the transfer function 0(s) Ve(s) E a where =A=1 9 V www-0000 A Ra La Ve Figure (7) amplifier! ~0000 if constant Armature controlled dc motor