Transformers In Ns is the synchronous speed and s the slip, then actual running speed of an induction motor will be Ns s.N. (l-s)Ns (Ns-l)s Ns s.N. (l-s)Ns (Ns-l)s ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum flux produced in the core of a transformer is ______ Directly proportional to supply frequency None of the listed here Inversely proportional to primary voltage Inversely proportional to supply frequency Directly proportional to supply frequency None of the listed here Inversely proportional to primary voltage Inversely proportional to supply frequency ANSWER DOWNLOAD EXAMIANS APP
Transformers In a step-down transformer, there is a change of 15 A in the load current. This results in change of supply current of less than 15 A more than 15 A None of these 15 A less than 15 A more than 15 A None of these 15 A 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 100 W 200 W None of the listed here 400 W 100 W 200 W None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The amount of copper in the primary is _______that of secondary. Greater than About the same as Smaller than None of the listed here Greater than About the same as Smaller than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The main reason for generation of harmonics in a transformer could be mechanical vibrations fluctuating load poor insulation saturation of core mechanical vibrations fluctuating load poor insulation saturation of core ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS