Q. Sparking of commutator at D.C motor result in
A. Increase in power consumption
B. Damage to commutator insulation
C. Damage of commutator segments
D. All of the above
Answer: All of the above
A. Increase in power consumption
B. Damage to commutator insulation
C. Damage of commutator segments
D. All of the above
Answer: All of the above