Multiple Choice
The function of pole shoes in the case of D.C. machine is
A) to reduce the reluctance of the magnetic path
B) to spread out the flux to achieve uniform flux density
C) to support the field coil
D) to discharge all the above functions
Correct Answer:
Verified
Correct Answer:
Verified
Q10: Two generators A and B have 6-poles
Q11: For a D.C. machines laboratory following type
Q12: The insulating material used between the commutator
Q13: D.C. generators are connected to the busbars
Q14: The number of brushes in a commutator
Q16: In D.C. generators, the brushes on commutator
Q17: Welding generator will have<br>A)lap winding<br>B)wave winding<br>C)delta winding<br>D)duplex
Q18: The e.m.f. generated by a shunt wound
Q19: In the case of lap winding resultant
Q20: In a D.C. generator the ripples in