An electromechanical energy conversion device has cylindrical stator but salient pole rotor. If is the angle between stator field and rotor field, the average torque developed is proportional to (A and B are constants) __________

An electromechanical energy conversion device has cylindrical stator b

1.	An electromechanical energy conversion device has cylindrical stator but salient pole rotor. If is the angle between stator field and rotor field, the average torque developed is proportional to (A and B are constants) __________
A.	Asin
B.	Asin2
C.	Asin +Bsin2
D.
Answer» D.

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An electromechanical energy conversion device has cylindrical stator but salient pole rotor. If is the angle between stator field and rotor field, the average torque developed is proportional to (A and B are constants) __________

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