Electrical Machines In a synchronous motor, damper windings are provided on stator frame. pole faces. None of these rotor shaft. stator frame. pole faces. None of these rotor shaft. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator sparking between brushes and commutator surface may be due to too rapid reversal of current. over commutation. any of the above. under commutation. too rapid reversal of current. over commutation. any of the above. under commutation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In above questions, find the power delivered by each of the alternators to a load of impedance 6Ω(resistive) 3190 W, 5040 W. 6000 W, 7000 W. 100 W, 2000 W. 1000 W, 5040 W. 3190 W, 5040 W. 6000 W, 7000 W. 100 W, 2000 W. 1000 W, 5040 W. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When maximum flux density is constant, the eddy current losses are proportional to V2 V f2 f V2 V f2 f ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hysteresis loss will depends on f f³ f² f1.6 f f³ f² f1.6 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC generator beyond critical resistance will generate maximum voltage. maximum current. no voltage. maximum power. maximum voltage. maximum current. no voltage. maximum power. ANSWER DOWNLOAD EXAMIANS APP