Transformers A transformer has full load copper loss of 400 W. The copper loss at half full load will be _____. None of the listed here 400 W 200 W 100 W None of the listed here 400 W 200 W 100 W ANSWER DOWNLOAD EXAMIANS APP
Transformers We can find _______of the transformer with open circuit test. Total equivalent resistance Total equivalent leakage reactance Turn ratio Copper losses Total equivalent resistance Total equivalent leakage reactance Turn ratio Copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers By laminating the core of a transformer, we decrease _____ Eddy current loss Leakage reactance Copper loss Hysteresis loss Eddy current loss Leakage reactance Copper loss Hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Transformers The transformer that should never the secondary open circuited when primary is energised is _______ Current transformer Auto transformer Voltage transformer Power transformer Current transformer Auto transformer Voltage transformer Power transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer, leakage flux Is negligible at full load Helps in transfer of energy Is minimised by interleaving the primary and secondary windings Produces mutually induced emf Is negligible at full load Helps in transfer of energy Is minimised by interleaving the primary and secondary windings Produces mutually induced emf ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following acts as a protection against high voltage surges due to lightning and switching? Horn gaps Thermal overload relays Conservator Breather Horn gaps Thermal overload relays Conservator Breather ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS