1. In a distributed winding why is the phase emf less than the algebraic sum of phase current in series?
2. Derive the expression for the breadth factor by means of a phasor diagram.
3. Repeat Question 6 for the pitch factor.
4. What is the purpose of using short-pitched coils in ac windings?
5. Write the expression for phasor emf in a synchronous machine. Use standard symbols and explain what each symbol stands for.