engineering recuitment PGCIL Trainee Supervisor Electrical Mock Test 2024 Electrical Machines Single Phase Motor and Special Machines
It is preferred to use single turn coil in the armature of the single-phase AC series motors
1
To facilitate commutation and avoid sparking at the brushes
2
To reduce the resistance of the armature
3
To reduce the resistance of the field circuit
4
To reduce the weight of the armature