Electrical Machines When flux density is constant in a transformer, hysteresis loss varies as V f² V² f V f² V² f ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines We can apply source transformation to voltage source when a resistance is connected to it in 15 HP. 14 HP. 10 HP. 13 HP. 15 HP. 14 HP. 10 HP. 13 HP. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor electromagnetic power varies directly as applied voltage inversely as applied voltage None of these directly as square of applied voltage directly as applied voltage inversely as applied voltage None of these directly as square of applied voltage 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 570 A. 340 A. 460 A. 250 A. 570 A. 340 A. 460 A. 250 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What does the use the of height flux density value in transformer design lead to? Increase in weight/KVA. Reduced copper loss. Reduced iron loss. Decrease in weight/KVA. Increase in weight/KVA. Reduced copper loss. Reduced iron loss. Decrease in weight/KVA. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - φ induction motor can also be referred to as a transformer. shunt motor. repulsion motor. asynchronous motor. transformer. shunt motor. repulsion motor. asynchronous motor. ANSWER DOWNLOAD EXAMIANS APP