1) Explain critical field resistance of dc shunt generator in detail.
2) Describe why starter is essential for a dc motor in detail.
3) What are the conditions to be fulfilled by for a dc shunt generator to build back emf?
4) What do you mean by armature reaction? Describe in detail.
5) Write down the different methods of speed control in dc motor?
6) When you will say the motor is running at base speed?
7) Write down the different methods of speed control employed for dc series motors
8) What are the losses occurring in a dc machine?
9) Write down the drawbacks of brake test on DC machines?
10) What do you mean by a regenerative test?