Consider the following statements:
The use of inter-poles in dc machines is to counteract the
1. Reactance voltage
2. Demagnetizing effect of armature mmf in the commutating zone
3. Cross-magnetizing effect of armature mmf in the commutating zone
Which of these statement(s) is/are correct?1
1 and 2
2
2 and 3
3
1 and 3
4
3 alone