DC Motors The value of back emf in dc motor is maximum at Half full load Full load No load None of the listed here Half full load Full load No load None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors Armature reaction in dc motor is increased When the armature current decreases When the field current increases When the armature current increases By interpoles When the armature current decreases When the field current increases When the armature current increases By interpoles ANSWER DOWNLOAD EXAMIANS APP
DC Motors The mechanical power developed in a dc motor is maximum when back emf is equal to _____ the applied voltage. One-third None of the listed here Half Twice One-third None of the listed here Half Twice ANSWER DOWNLOAD EXAMIANS APP
DC Motors In dc machines fractional pitch winding is used To increase the generated emf To reduce the sparking To reduce the generated emf To improve cooling To increase the generated emf To reduce the sparking To reduce the generated emf To improve cooling ANSWER DOWNLOAD EXAMIANS APP
DC Motors The variable resistor shunting the field of a dc series motor is called a Potential divider Field divertor Voltage regulator Armature divertor Potential divider Field divertor Voltage regulator Armature divertor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Compensating winding in a dc machine is placed None of the listed here On yoke in the pole faces On yoke in the interpolar gap On armature None of the listed here On yoke in the pole faces On yoke in the interpolar gap On armature ANSWER DOWNLOAD EXAMIANS APP
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