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10- What is the ratio of rotor input power to rotor copper loss in an induction motor? a) 1/(1-S) b) 1 - S c) 1/S d) S 11- If the frequency of 3-phase supply to the stator of a 3-phase induction motor is increased, then synchronous speed a) Increased b) Decreased c) Remain unchanged d) None of the above

10- What is the ratio of rotor input power to rotor copper loss in an induction motor? a) 1/(1-S) b) 1 - S c) 1/S d) S 11- If the frequency of 3-phase supply to the stator of a 3-phase induction motor is increased, then synchronous speed a) Increased b) Decreased c) Remain unchanged d) None of the above

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10- What is the ratio of rotor input power to rotor copper loss in an induction motor? a) 1/(1-S) b) 1 - S c) 1/S d) S 11- If the frequency of 3-phase supply to the stator of a 3-phase induction motor is increased, then synchronous speed a) Increased b) Decreased c) Remain unchanged d) None of the above
Transcribed Image Text:10- What is the ratio of rotor input power to rotor copper loss in an induction motor? a) 1/(1-S) b) 1 - S c) 1/S d) S 11- If the frequency of 3-phase supply to the stator of a 3-phase induction motor is increased, then synchronous speed a) Increased b) Decreased c) Remain unchanged d) None of the above
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