question_answer

For an induction motor, operating at a slip s, the ratio of gross power output to air gap power is equal to

A)                                                                              \[{{(1-s)}^{2}}\]                        

B)                                                                                     \[(1-s)\]  

C)                                                                                 \[\sqrt{(1-s)}\]                        

D)                                                                                 \[(1-\sqrt{s})\]