Electrical Machines Open circuit in a transformer is prefered with rated transformer current direct current high frequency supply rated transformer voltage rated transformer current direct current high frequency supply rated transformer voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The noise resulting from vibrations of lamination set by magnetic forces, is termed as boo. magnetostriction. hum. zoom. boo. magnetostriction. hum. zoom. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Variation in speed by ward-Leonard control of DC motors occurs due to variation in Armature voltage. Armature current. Supply voltage. Field excitaion. Armature voltage. Armature current. Supply voltage. Field excitaion. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field current is reduced to zero the maximum power developed by alternator is 0.9103 KW. 1.644 KW. 2.73 KW. 5.46 KW. 0.9103 KW. 1.644 KW. 2.73 KW. 5.46 KW. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Lap winding is prefered for which type of machines? high current and high voltage high current and low voltage low current and low voltage low current and high voltage high current and high voltage high current and low voltage low current and low voltage low current and high voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following windings are necessary in case of all dc machines? wave winding open type winding lap winding closed winding wave winding open type winding lap winding closed winding ANSWER DOWNLOAD EXAMIANS APP
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