Transformers By laminating the core of a transformer, we decrease _____ Eddy current loss Hysteresis loss Leakage reactance Copper loss Eddy current loss Hysteresis loss Leakage reactance Copper loss 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 5 A 10 A 20 A 15 A 5 A 10 A 20 A ANSWER DOWNLOAD EXAMIANS APP
Transformers The steel used for transformer core has High silicon content Low hysteresis loss All of the listed here High permeability High silicon content Low hysteresis loss All of the listed here High permeability ANSWER DOWNLOAD EXAMIANS APP
Transformers A no-load test is performed on a transformer to determine core loss efficiency copper loss magnetising current magnetising current and loss core loss efficiency copper loss magnetising current magnetising current and loss ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer the energy is conveyed from primary to secondary through air through cooling coil by the flux None of these through air through cooling coil by the flux None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer operates poorly at very low frequencies because _____ Magnetising current is abnormally high Permeability of core is increased None of the listed here Primary reactance is too much increased Magnetising current is abnormally high Permeability of core is increased None of the listed here Primary reactance is too much increased ANSWER DOWNLOAD EXAMIANS APP
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