Transformers When the turns ratio of a transformer is 20 and the primary ac voltage is 12 V, the secondary voltage is 2,400 V 12 V 120 V 240 V 2,400 V 12 V 120 V 240 V ANSWER DOWNLOAD EXAMIANS APP
Transformers In a certain transformer, the input power to the primary is 120 W. If 8.5 W are lost to the winding resistance, what is the output power to the load, neglecting any other issues? 111.5 W 1,020 W 0 W 14.1 W 111.5 W 1,020 W 0 W 14.1 W 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 (Ns-l)s (l-s)Ns s.N. Ns (Ns-l)s (l-s)Ns s.N. Ns ANSWER DOWNLOAD EXAMIANS APP
Transformers The steel used for transformer core has All of the listed here Low hysteresis loss High silicon content High permeability All of the listed here Low hysteresis loss High silicon content High permeability ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following parts of a transformer is visible from outside? Primary winding Secondary winding Bushings Core Primary winding Secondary winding Bushings Core ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has full load copper loss of 400 W. The copper loss at half full load will be _____. 400 W None of the listed here 100 W 200 W 400 W None of the listed here 100 W 200 W ANSWER DOWNLOAD EXAMIANS APP
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