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In a 3-phase slip-ring induction motor, the rotor windingterminals are brought out through slip rings to | |
A. | connect extra resistance across them during starting. [Correct Answer] |
B. | connect them either in star or in delta as per need. [Wrong Answer] |
C. | connect to 3-phase ac supply. [Wrong Answer] |
D. | close the rotor circuit externally. [Wrong Answer] |