Electrical Machines In a synchronous motor electromagnetic power varies directly as square of applied voltage None of these directly as applied voltage inversely as applied voltage directly as square of applied voltage None of these directly as applied voltage inversely as applied voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Inter pole winding is connected in-------------------------- ? parallel with armature parallel with main poles series with armature series with main poles parallel with armature parallel with main poles series with armature series with main poles ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Secondary winding of an auto transformer is also called tertiary winding. damping winding. compensating winding. common winding. tertiary winding. damping winding. compensating winding. common winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a stepper motor the detente torque means minimum of the static torque with the phase winding unexcited. minimum of the static torque with the phase winding excited. maximum of the static torque with the phase winding unexcited. maximum of the static torque with the phase winding excited. minimum of the static torque with the phase winding unexcited. minimum of the static torque with the phase winding excited. maximum of the static torque with the phase winding unexcited. maximum of the static torque with the phase winding excited. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are the advantages of carbon brush over the copper brush? All of these They are not hard as copper brush In case of any sparking they will be less damaged than copper brushes They are self lubricating in nature All of these They are not hard as copper brush In case of any sparking they will be less damaged than copper brushes They are self lubricating in nature ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To get the speed of DC motor more than normal without wastage of electrical energy _____________ is used. none of above. rheostatic control. any of above method. Ward Leonard control. none of above. rheostatic control. any of above method. Ward Leonard control. ANSWER DOWNLOAD EXAMIANS APP
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