1.

A small 3-phase induction motor has a short-circuit current 5 times of full-load current and full-load slip 5%. If starting resistance starter is used to reduce the impressed voltage to 60% of normal voltage, the starting torque obtained in terms of full load torque would be

A. 30%
B. 45%
C. 55%
D. 80%
Answer» C. 55%


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