Transformers The maximum load that a power transformer can carry is limited by its voltage ratio dielectric strength of oil temperature rise copper loss voltage ratio dielectric strength of oil temperature rise copper loss ANSWER DOWNLOAD EXAMIANS APP
Transformers In a step-down transformer, there is a change of 15 A in the load current. This results in change of supply current of less than 15 A more than 15 A None of these 15 A less than 15 A more than 15 A None of these 15 A ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer does not posses ______changing property. Voltage Impedance Power Current Voltage Impedance Power Current ANSWER DOWNLOAD EXAMIANS APP
Transformers A no-load test is performed on a transformer to determine core loss magnetising current copper loss efficiency magnetising current and loss core loss magnetising current copper loss efficiency magnetising current and loss ANSWER DOWNLOAD EXAMIANS APP
Transformers Primary winding of a transformer is always a high voltage winding could either be a low voltage or high voltage winding is always a low voltage winding None of these is always a high voltage winding could either be a low voltage or high voltage winding is always a low voltage winding None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers Efficiency of a power transformer is of the order of 100 per cent 50 per cent 25 per cent 98 per cent 100 per cent 50 per cent 25 per cent 98 per cent ANSWER DOWNLOAD EXAMIANS APP
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