Electrical Machines The no load current in a transformer lags the applied voltage by about 75°. 90°. 0°. about 115°. about 75°. 90°. 0°. about 115°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field current is reduced to zero the maximum power developed by alternator is 5.46 KW. 1.644 KW. 2.73 KW. 0.9103 KW. 5.46 KW. 1.644 KW. 2.73 KW. 0.9103 KW. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An alternator is feeding an infinite busbar. Its prime mover is suddenly shutdown. The alternator will come to stand still. continue to work as synchronous motor with same direction of rotation. continue to work as alternator but the direction of rotation will reverse. start working as induction motor. come to stand still. continue to work as synchronous motor with same direction of rotation. continue to work as alternator but the direction of rotation will reverse. start working as induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole DC shunt generator having a wave winding supplies 50 lamps, each of 60 W at 120 V. The armature and field resistance are 0.2 Ω and 60 Ω respectively. The current in each armature conductor is 23 A. 11.5 A. 27 A. 13.5 A. 23 A. 11.5 A. 27 A. 13.5 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC motor can be determent by Flemings right hand rule. Flemings left hand rule. Lenzs law. Amperes law. Flemings right hand rule. Flemings left hand rule. Lenzs law. Amperes law. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Lamination of core are generally made of cast iron. carbon. silicon steel. stainless steel. cast iron. carbon. silicon steel. stainless steel. ANSWER DOWNLOAD EXAMIANS APP
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