Electrical Machines The constant losses in transformer is/are hysteresis loss. eddy current loss. both 2 and 3. copper loss. hysteresis loss. eddy current loss. both 2 and 3. copper loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC generator will not build up voltage if it has lost residual magnetism. any one of above. due to wrong direction of rotation. if field resistance is more than critical resistance. if it has lost residual magnetism. any one of above. due to wrong direction of rotation. if field resistance is more than critical resistance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Cogging in induction motor occurs when number of stator teeth - number of rotor teeth = 0. number of stator teeth - number of rotor teeth = negative number. number of stator teeth - number of rotor teeth = odd number. number of stator teeth - number of rotor teeth = even number. number of stator teeth - number of rotor teeth = 0. number of stator teeth - number of rotor teeth = negative number. number of stator teeth - number of rotor teeth = odd number. number of stator teeth - number of rotor teeth = even number. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In escalator which motor is used? DC shunt motor. 3 - φ IM. Universal motor. 1 - φ IM. DC shunt motor. 3 - φ IM. Universal motor. 1 - φ IM. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC machine having P no of pole pairs Z no of conductors having length L of resistivity ρ and cross section S are arranged. what is the armature resistance for lap-winding ? PZL/ 4Sa PZL/4S PZL/4Sa² PZL/4SP² PZL/ 4Sa PZL/4S PZL/4Sa² PZL/4SP² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine, the demagnetizing effect of armature reaction is due to component of armature mmf along field axis magnetic saturation in half of the field pole uneven air-gap length non-sinusoidal nature of armature mmf component of armature mmf along field axis magnetic saturation in half of the field pole uneven air-gap length non-sinusoidal nature of armature mmf ANSWER DOWNLOAD EXAMIANS APP
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