Electrical Machines Variation in speed by ward-Leonard control of DC motors occurs due to variation in Armature current. Field excitaion. Supply voltage. Armature voltage. Armature current. Field excitaion. Supply voltage. Armature voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Speed of DC motor can be controlled by varying all of these. its flux oer pole. applied voltage. resistance of armature culture. all of these. its flux oer pole. applied voltage. resistance of armature culture. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3 - Φ induction motor power factor at starting in the same as that while running. power factor at starting is high as compared to that while running. power factor at starting is low as compared to that while running. none of them. power factor at starting in the same as that while running. power factor at starting is high as compared to that while running. power factor at starting is low as compared to that while running. none of them. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output power of a dc motor is given by EbIa. EIa. EbIa2. none of these. EbIa. EIa. EbIa2. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stepper motor is used in All of these computer printers food processing traction All of these computer printers food processing traction ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Compensating winding are used to rectify the flux density waveform at interpole region. throughout the air gap. None of these region under main pole. interpole region. throughout the air gap. None of these region under main pole. ANSWER DOWNLOAD EXAMIANS APP
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