Electrical Machines In which transformer, the tertiary winding is used? Star - star Star - delta Delta - delta Delta - star Star - star Star - delta Delta - delta Delta - star ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Shunt field of DC generators consists of--------number of turns and ---------- conductors respectively large and thin less and thin less and thick large and thick large and thin less and thin less and thick large and thick ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC motor with armature resistance of 0.5 ohms connected directly to a 220 Volt supply. If the armature is stationary then the current flowing through the armature is 570 A. 440 A. 340 A. 250 A. 570 A. 440 A. 340 A. 250 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer maximum flux density is not constant, the eddy current loss varies as f² V f V² f² V f V² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines R1 is the resistance of the primary winding of the transformer. The turn ratio in terms of primary to secondary is K. Then the equivalent resistance of the primary referred to secondary is R1 /K² K²R1 R1 /K K×R1 R1 /K² K²R1 R1 /K K×R1 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power factor of an induction motor operating at no load will have a value around unity 0.2 lead 0.2 lag 0.9 lag unity 0.2 lead 0.2 lag 0.9 lag ANSWER DOWNLOAD EXAMIANS APP