IN_ALL_ROTATING_ELECTRICAL_MACHINE,_ELECTRICAL_TORQUE_IS_DEVELOPED_WHE – McqOptions

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1.	IN_ALL_ROTATING_ELECTRICAL_MACHINE,_ELECTRICAL_TORQUE_IS_DEVELOPED_WHEN_RELATIVE_SPEED_BETWEEN_STATOR_FIELD_AND_ROTOR_FIELD_IS_____________?$
A.	zero
B.	equal to rotor speed
C.	equal and opposite to rotor speed
D.	dependent upon the type of electrical machine
Answer» B. equal to rotor speed

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