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29-05-2021 Torque

Q. The basic torque and EMF expression of rotating electrical machines are ____________

A. applicable to DC machines only
B. applicable to AC machines only
C. applicable to both AC and DC machines
D. None of the above

Commented on 2021-05-29
Answer: C

Explanation: Basic torque and EMF expressions are same for both AC and DC machines as the fundamental principles underlying the operation of AC and DC machines are same.

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