Transformers The highest voltage for transmitting electrical power in india is 400 kV 33 kV 132 kV 66 kV 400 kV 33 kV 132 kV 66 kV ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer with a 110 V primary has a 15:1 turns ratio. The load resistance, RL, is 120 . What is the approximate voltage across the load? 880 V 7.3 V 88 V 73 V 880 V 7.3 V 88 V 73 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary leakage flux links _____ Both primary and secondary windings Primary winding only Secondary winding only None of the listed here Both primary and secondary windings Primary winding only Secondary winding only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load primary current is about ______of full load primary current. 3-5% Above 40% 15-30% 30-40% 3-5% Above 40% 15-30% 30-40% ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual flux in a transformer remains constant at all loads because ______ Applied voltage and frequency are constant Iron core is used Losses are small Leakage flux is small Applied voltage and frequency are constant Iron core is used Losses are small Leakage flux is small ANSWER DOWNLOAD EXAMIANS APP
Transformers Which motor is preferred for use in mines where explosive gases exist? Synchronous motor Induction motor Air motor Shunt motor Synchronous motor Induction motor Air motor Shunt motor ANSWER DOWNLOAD EXAMIANS APP