Electrical Machines In a three phase slip-ring induction motor, brushes are connected to 3 - Φ AC supply. external star-connected resistors. DC supply. equalizing coils. 3 - Φ AC supply. external star-connected resistors. DC supply. equalizing coils. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor drawing an armature current of Ia is operating under saturated magnetic conditions. The torque developed in the motor is proportional to I/Ia2 1/Ia Ia2 Ia I/Ia2 1/Ia Ia2 Ia ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hysteresis loss is proportional to f. f3. f1.5. f2. f. f3. f1.5. f2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Iron loss in a transformer mainly occurs in transformer insulating oil. steel core in transformer. iron made tank of transformer. winding of transformer. transformer insulating oil. steel core in transformer. iron made tank of transformer. winding of transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Due to magnetic saturation, the flux per pole in a DC machine without brush shift decreases in both generators and the motors with load. increases in both the generators and the motors with load. decreases in generators and increases in motor with load. increases in generators but decreases in motor with load. decreases in both generators and the motors with load. increases in both the generators and the motors with load. decreases in generators and increases in motor with load. increases in generators but decreases in motor with load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Total core loss is also called as -------------? Copper loss Magnetic loss Eddy current loss Hysteresis loss Copper loss Magnetic loss Eddy current loss Hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
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