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Electrical machines miscellaneous
  1. If starting current of a 3 Ω induction motor is 5 times the rated current, while rated slip is 4%, then ratio of starting torque to full-load torque is _______ .
    1. 0
    2. 1
    3. 2
    4. 3
Correct Option: B

Tst
 =
Ist
2 × sfl = (25) x (0.04) = 1.0
TflIfl


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