Questions: 2. (a)Differentiate star/star transformer connection from delta/ star transformer connection (b) With the help of simple sketches explain the functio

Questions: 2. (a)Differentiate star/star transformer connection from delta/ star transformer connection (b) With the help of simple sketches explain the function of an auto transformer. (c) (i) Calculate the voltage drop in a line as percentage of the total voltage, if a 1kV distribution line has a total resistance of 1ohm and carries a current of 30A (using transmission voltage of 240V or, the same line) 4. (a) Briefly, explain how d.c motor is reversed. (b)With aid of diagrams, differentiate d.c series motor from d.c shunt motor. (c) Outline the characteristics of the d.c compound -wound motor. (d) Explain the function of a d.c face plate starter.​