Transformers The permissible flux density in case of cold rolled grain oriented steel is around 2.7 Wb/m² 3.7 Wb/m² 4.7 Wb/m² 1.7 Wb/m² 2.7 Wb/m² 3.7 Wb/m² 4.7 Wb/m² 1.7 Wb/m² ANSWER DOWNLOAD EXAMIANS APP
Transformers The open circuit test on a transformer is always made on ______ Either low or high voltage winding High voltage winding None of the listed here Low voltage winding Either low or high voltage winding High voltage winding None of the listed here Low voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers If 25 W of power are applied to the primary of an ideal transformer with a turns ratio of 10, the power delivered to the secondary load is 25 W 0 W 250 W 2.5 W 25 W 0 W 250 W 2.5 W ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer transfers electrical energy from primary to secondary usually with a change in ______ Voltage Power Frequency Time period Voltage Power Frequency Time period ANSWER DOWNLOAD EXAMIANS APP
Transformers Short circuit test on transformers is conducted to determine core losses hysteresis losses copper losses eddy current losses core losses hysteresis losses copper losses eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following acts as a protection against high voltage surges due to lightning and switching? Horn gaps Conservator Thermal overload relays Breather Horn gaps Conservator Thermal overload relays Breather ANSWER DOWNLOAD EXAMIANS APP
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