An induction motor is started using auto transformer and it has ___

An induction motor is started using auto transformer and it has a full load slip(Sf) of 0.02.

Its starting current(Ist) is 3 times its full load current(If).

What is the ratio of starting torque(Tst) to full load torque(Tf)?

A. 0.06
B. 0.6
C. 0.18
D. 0.3

Show Answer

Answer: A

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