Transformers In the short circuit test on a transformer, we generally short circuit ______ Either low or high voltage winding High voltage winding Low voltage winding None of the listed here Either low or high voltage winding High voltage winding Low voltage winding None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiencies of transformers compared with that of electric motors of the same power are much smaller much higher somewhat smaller about the same much smaller much higher somewhat smaller about the same ANSWER DOWNLOAD EXAMIANS APP
Transformers Two things which are same for primary and secondary of transformer are ______ Ampere turns and voltage per turns None of the listed here Resistance and leakage reactances Currents and induced voltages Ampere turns and voltage per turns None of the listed here Resistance and leakage reactances Currents and induced voltages ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary leakage flux links _____ Both primary and secondary windings Secondary winding only Primary winding only None of the listed here Both primary and secondary windings Secondary winding only Primary winding only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers In a power or distribution transformer about 10 per cent end turns are heavily insulated to reflect the line surge and save the winding of a transformer from damage to withstand the high voltage drop due to line surge produced by the shunting capacitance of the end turns None of these to absorb the line surge voltage and save the winding of transformer from damage to reflect the line surge and save the winding of a transformer from damage to withstand the high voltage drop due to line surge produced by the shunting capacitance of the end turns None of these to absorb the line surge voltage and save the winding of transformer from damage ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer operates poorly at very low frequencies because _____ None of the listed here Magnetising current is abnormally high Primary reactance is too much increased Permeability of core is increased None of the listed here Magnetising current is abnormally high Primary reactance is too much increased Permeability of core is increased ANSWER DOWNLOAD EXAMIANS APP
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