Electrical Machines In a transformer which of the following losses are zero? Iron loss Rotational loss All of these Copper loss Iron loss Rotational loss All of these Copper loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the space distribution of air-gap flux density wave at no load is co- sinusoidal flat-topped sinusoidal rectangular co- sinusoidal flat-topped sinusoidal rectangular ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of a conductively compensated DC series motor, the compensating winding is provided In series with the armature winding. In parallel with the armature winding. In parallel with the field winding. As a separate unit. In series with the armature winding. In parallel with the armature winding. In parallel with the field winding. As a separate unit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Total core loss is also called as -------------? Magnetic loss Hysteresis loss Copper loss Eddy current loss Magnetic loss Hysteresis loss Copper loss Eddy current loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC motor with armature resistance of 0.5 ohms is connected directly to a 230 Volt supply. If the armature is stationary then the current flowing through armature is 250 A. 460 A. 340 A. 570 A. 250 A. 460 A. 340 A. 570 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC generators has rising V-I characteristics? Series. Compound. None of them. Shunt. Series. Compound. None of them. Shunt. ANSWER DOWNLOAD EXAMIANS APP
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