Transformers A transformer has full load copper loss of 400 W. The copper loss at half full load will be _____. 200 W None of the listed here 400 W 100 W 200 W None of the listed here 400 W 100 W ANSWER DOWNLOAD EXAMIANS APP
Transformers Which motor is preferred for use in mines where explosive gases exist? Shunt motor Synchronous motor Air motor Induction motor Shunt motor Synchronous motor Air motor Induction motor ANSWER DOWNLOAD EXAMIANS APP
Transformers The output current corresponding to the maximum efficiency for a transformer having core loss of 200 W and equivalent resistance referred to secondary of 0.5 Ω is 15 A 20 A 5 A 10 A 15 A 20 A 5 A 10 A ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiencies of transformers compared with that of electric motors of the same power are about the same much higher somewhat smaller much smaller about the same much higher somewhat smaller much smaller ANSWER DOWNLOAD EXAMIANS APP
Transformers The highest voltage for transmitting electrical power in india is 132 kV 33 kV 400 kV 66 kV 132 kV 33 kV 400 kV 66 kV ANSWER DOWNLOAD EXAMIANS APP
Transformers Leakage flux in a transformer occurs because Iron core has high permeability Applied voltage is sinusoidal Transformer is not an efficient device Air is not a good magnetic insulator Iron core has high permeability Applied voltage is sinusoidal Transformer is not an efficient device Air is not a good magnetic insulator ANSWER DOWNLOAD EXAMIANS APP
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