Voltage range in slip rings for induction motor

Q.  What is the usual voltage range in the slip rings for the induction motor?
- Published on 30 Sep 15

a. 50 V to 115 V
b. 100 V to 1 kV
c. Is proportional to the stator voltages
d. None of these

ANSWER: 100 V to 1 kV

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