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When the applied voltage per phase is reduced to one-half, the starting torque of a three-phase squirrel cage induction motor becomes | |
A. | 1/2 of the initial value. [Wrong Answer] |
B. | 1/4 of the initial value. [Correct Answer] |
C. | twice of the initial value, [Wrong Answer] |
D. | 4 times of the initial value, [Wrong Answer] |