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				| 1. | The rotor of 3-phase slip ring induction motor is fed from a 3-phase supply with its stator winding short circuited having rotor rotating$ | 
| A. | |
| B. | speed of air gap field w.r.t. stator is Ns-Nr anticlockwise | 
| C. | speed of air gap field w.r.t. stator is Ns-Nr clockwise | 
| Answer» B. speed of air gap field w.r.t. stator is Ns-Nr anticlockwise | |