Transformers The main reason for generation of harmonics in a transformer could be mechanical vibrations saturation of core poor insulation fluctuating load mechanical vibrations saturation of core poor insulation fluctuating load ANSWER DOWNLOAD EXAMIANS APP
Transformers We can find _______of the transformer with open circuit test. Copper losses Total equivalent resistance Total equivalent leakage reactance Turn ratio Copper losses Total equivalent resistance Total equivalent leakage reactance Turn ratio ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer transfers electrical energy from primary to secondary usually with a change in ______ Power Voltage Frequency Time period Power Voltage Frequency Time period ANSWER DOWNLOAD EXAMIANS APP
Transformers By laminating the core of a transformer, we decrease _____ Leakage reactance Hysteresis loss Copper loss Eddy current loss Leakage reactance Hysteresis loss Copper loss Eddy current loss ANSWER DOWNLOAD EXAMIANS APP
Transformers The iron core is used to ______of the transformer. Provide tight magnetic coupling None of the listed here Reduce core loss Increase the wight Provide tight magnetic coupling None of the listed here Reduce core loss Increase the wight 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 s.N. (l-s)Ns Ns (Ns-l)s s.N. (l-s)Ns Ns ANSWER DOWNLOAD EXAMIANS APP
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