11. In commercial electric motors there will not be permanent magnetic poles
because,
A. slip rings are used
B. electromagnets are used
C. split rings are used
D. 220 volts source is used
Answers
Answered by
1
Answer:
(b) electromagnet are used.
hope this is correct answer.
Answered by
1
Explanation:
mate according to mine opinion option b is correct ......
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