1) Define the principle of operation of a DC generator ?
2) What purpose is served by the pole shoe in a DC machine ?
3) What are the advantages and disadvantages of carbon brushes ?
4) What is the role of commutator in an electrical DC generator ?
5) How would you define separately excited DC generator ?
6) How would you define self excited DC generator ?
7) What are the different types of losses in DC Machines ?
8) Why is the armature of a DC machine made of silicon steel ?
9) Why do we use slotted armature in DC machine ?
10) Why is armature placed on the rotor of a DC machine ?