The following torque expression: Te=-isirMmaxsin r is applicable in a single phase cylindrical rotor synchronous machine when the rotor is __________

The following torque expression: Te=-isirMmaxsin r is applicable in a

1.	The following torque expression: T_e=-i_si_rM_maxsin _r is applicable in a single phase cylindrical rotor synchronous machine when the rotor is __________
A.	revolving
B.	stationary
C.	revolving or stationary
D.	none of the mentioned
Answer» D. none of the mentioned

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The following torque expression: Te=-isirMmaxsin r is applicable in a single phase cylindrical rotor synchronous machine when the rotor is __________

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The following torque expression: T_e=-i_si_rM_maxsin _r is applicable in a single phase cylindrical rotor synchronous machine when the rotor is __________