Transformers Short circuit test on transformers is conducted to determine core losses hysteresis losses eddy current losses copper losses core losses hysteresis losses eddy current losses copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has full load copper loss of 400 W. The copper loss at half full load will be _____. 100 W None of the listed here 400 W 200 W 100 W None of the listed here 400 W 200 W ANSWER DOWNLOAD EXAMIANS APP
Transformers We can find _______of the transformer with open circuit test. Total equivalent resistance Total equivalent leakage reactance Copper losses Turn ratio Total equivalent resistance Total equivalent leakage reactance Copper losses Turn ratio ANSWER DOWNLOAD EXAMIANS APP
Transformers The steel used for transformer core has Low hysteresis loss All of the listed here High silicon content High permeability Low hysteresis loss All of the listed here High silicon content High permeability ANSWER DOWNLOAD EXAMIANS APP
Transformers The main reason for generation of harmonics in a transformer could be poor insulation saturation of core mechanical vibrations fluctuating load poor insulation saturation of core mechanical vibrations fluctuating load ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer with a 110 V primary has a 15:1 turns ratio. The load resistance, RL, is 120 . What is the approximate voltage across the load? 73 V 88 V 880 V 7.3 V 73 V 88 V 880 V 7.3 V ANSWER DOWNLOAD EXAMIANS APP
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