railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrical Machines Single Phase Motor and Special Machines Shaded Pole Single Phase Motor
The shaded pole motor produces a very crude approximation of a rotating stator field through magnetic coupling which occurs between the shading coils and stator winding. Determine why the placement and resistance of the shading coil are chosen.
1
Stator magnetic field decreases from zero and current is induced in the shading coil
2
Stator magnetic field becomes constant and current is reduced in the shading coil
3
Stator magnetic field increases from zero and current is induced in the shading coil
4
Stator magnetic field increases from zero and current remain constant in the shading coil