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? 88 V 880 V 7.3 V 73 V 88 V 880 V 7.3 V 73 V ANSWER DOWNLOAD EXAMIANS APP
Transformers In Ns is the synchronous speed and s the slip, then actual running speed of an induction motor will be (l-s)Ns (Ns-l)s Ns s.N. (l-s)Ns (Ns-l)s Ns s.N. ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary leakage flux links _____ Primary winding only Both primary and secondary windings None of the listed here Secondary winding only Primary winding only Both primary and secondary windings None of the listed here Secondary winding only ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer will work on AC as well as DC Ac only None of the listed here Dc only AC as well as DC Ac only None of the listed here Dc only ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following protection is normally not provided on small distribution transformers? Overcurrent protection Buchholz relay Overfluxing protection All of these Overcurrent protection Buchholz relay Overfluxing protection All of these ANSWER DOWNLOAD EXAMIANS APP
Transformers Open circuit test on transformers is conducted to determine hysteresis losses eddy current losses copper losses core losses hysteresis losses eddy current losses copper losses core losses ANSWER DOWNLOAD EXAMIANS APP