Transformers Open circuit test on transformers is conducted to determine eddy current losses hysteresis losses core losses copper losses eddy current losses hysteresis losses core losses copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The open circuit test on a transformer gives _______ Friction losses Copper losses Total losses Iron losses Friction losses Copper losses Total losses Iron losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The main reason for generation of harmonics in a transformer could be mechanical vibrations fluctuating load saturation of core poor insulation mechanical vibrations fluctuating load saturation of core poor insulation 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 0 W 250 W 25 W 2.5 W 0 W 250 W 25 W 2.5 W ANSWER DOWNLOAD EXAMIANS APP
Transformers In which of the following transformer part of primary winding also serves as the secondary winding? Step-up transformer Current transformer Auto transformer Potential transformer Step-up transformer Current transformer Auto transformer Potential transformer 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 more than 15 A 15 A None of these less than 15 A more than 15 A 15 A None of these less than 15 A ANSWER DOWNLOAD EXAMIANS APP