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1. |
An_electromechanical_energy_conversion_device_has_cylindrical_stator_but_salient_pole_rotor._Rotor_is_not_excited._If_δ_is_the_angle_between_stator_field_and_rotor_long_axis,_then_average_torque_developed_is_proportional_to_(A_and_B_are_constants)$ |
A. | Asinδ |
B. | Asin2δ |
C. | Asinδ + Bsin2δ |
D. | zero |
Answer» C. Asin‚âà√≠¬¨‚Ä¢ + Bsin2‚âà√≠¬¨‚Ä¢ | |