In a comparative study of the torque-slip characteristic of a balanced polyphase induction motor and that of a single phase induction motor, it is found that for zero slip
A. the torque for the former is zero and has a non-zero negative value for the latter.
B. the torque has a non-zero positive value on the former and has a non-zero negative value on the latter.
C. the torque is zero on both of the characteristics.
D. the torque has non-zero positive value on both of the characteristics.
Show Answer
Answer: A
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