Transformers A transformer will have zero efficiency at Full load No load None of the listed here Half full load Full load No load None of the listed here Half full load ANSWER DOWNLOAD EXAMIANS APP
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 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 When load on a transformer is increased, the eddy current _____ Is increased None of the listed here Remains unchanged Is decreased Is increased None of the listed here Remains unchanged Is decreased ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiencies of transformers compared with that of electric motors of the same power are much smaller somewhat smaller much higher about the same much smaller somewhat smaller much higher about the same ANSWER DOWNLOAD EXAMIANS APP
Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Copper loss Leakage reactance Eddy current loss Iron losses Copper loss Leakage reactance Eddy current loss Iron losses ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS