Transformers When the turns ratio of a transformer is 20 and the primary ac voltage is 12 V, the secondary voltage is 2,400 V 120 V 240 V 12 V 2,400 V 120 V 240 V 12 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Open circuit test on transformers is conducted to determine copper losses eddy current losses core losses hysteresis losses copper losses eddy current losses core losses hysteresis losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The dielectric strength of transformer oil is expected to be 33 kV 100 kV lkV 330 kV 33 kV 100 kV lkV 330 kV ANSWER DOWNLOAD EXAMIANS APP
Transformers A step up transformer increases Current Frequency Power Voltage Current Frequency Power Voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary leakage flux links _____ Secondary winding only None of the listed here Both primary and secondary windings Primary winding only Secondary winding only None of the listed here Both primary and secondary windings Primary winding only ANSWER DOWNLOAD EXAMIANS APP
Transformers Efficiency of a power transformer is of the order of 100 per cent 98 per cent 25 per cent 50 per cent 100 per cent 98 per cent 25 per cent 50 per cent ANSWER DOWNLOAD EXAMIANS APP
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