Electrical Machines A 4 pole dc generator is running at 1500 rpm the frequency of current in the armature winding is 100Hz. 50Hz. 150Hz. 200Hz. 100Hz. 50Hz. 150Hz. 200Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines With the increase in speed of DC motor Both back emf as well as line current fall. Both back emf as well as line current increase. Back emf falls and line current increase. Back emf increase but line current falls. Both back emf as well as line current fall. Both back emf as well as line current increase. Back emf falls and line current increase. Back emf increase but line current falls. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Total core loss is also called as -------------? Magnetic loss Eddy current loss Hysteresis loss Copper loss Magnetic loss Eddy current loss Hysteresis loss Copper loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 100/10, 50 VA double winding transformer is converted to 100/110 V auto transformer. The rating of auto transformer is 500 VA 550 VA 100 VA 110 VA 500 VA 550 VA 100 VA 110 VA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the applied voltage to a dc machine is 230 V, then the back emf, for maximum power developed, is 460 V 200 V 230 V 115 V 460 V 200 V 230 V 115 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - φ induction motor can also be referred to as a shunt motor. asynchronous motor. transformer. repulsion motor. shunt motor. asynchronous motor. transformer. repulsion motor. ANSWER DOWNLOAD EXAMIANS APP
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