Transformers The main reason for generation of harmonics in a transformer could be saturation of core poor insulation fluctuating load mechanical vibrations saturation of core poor insulation fluctuating load mechanical vibrations ANSWER DOWNLOAD EXAMIANS APP
Transformers How many primary volts must be applied to a transformer with a turns ratio of 0.1 to obtain a secondary voltage of 9 V? 900 V 90 V 0.9 V 9 V 900 V 90 V 0.9 V 9 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The winding of the transformer with greater number of turns will be _____ None of the listed here Either high or low voltage winding High voltage winding Low voltage winding None of the listed here Either high or low voltage winding High voltage winding Low voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer transfers electrical energy from primary to secondary usually with a change in ______ Time period Frequency Power Voltage Time period Frequency Power Voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers Which motor is preferred for use in mines where explosive gases exist? Shunt motor Induction motor Air motor Synchronous motor Shunt motor Induction motor Air motor Synchronous motor ANSWER DOWNLOAD EXAMIANS APP
Transformers The amount of copper in the primary is _______that of secondary. Greater than Smaller than None of the listed here About the same as Greater than Smaller than None of the listed here About the same as ANSWER DOWNLOAD EXAMIANS APP