Transformers When a 6 V battery is connected across the primary of a transformer with a turns ratio of 8, the secondary voltage is 0.75 V 48 V 6 V 0 V 0.75 V 48 V 6 V 0 V ANSWER DOWNLOAD EXAMIANS APP
Transformers When the turns ratio of a transformer is 20 and the primary ac voltage is 12 V, the secondary voltage is 12 V 120 V 240 V 2,400 V 12 V 120 V 240 V 2,400 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Losses which occur in rotating electric machines and do not occur in trans formers are magnetic losses copper losses friction and windage losses hysteresis and eddy current losses magnetic losses copper losses friction and windage losses hysteresis and eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Transformers An open-circuit test on a transformer is conducted primarily to measure total loss core loss copper loss insulation resistance total loss core loss copper loss insulation resistance ANSWER DOWNLOAD EXAMIANS APP
Transformers Primary winding of a transformer 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 is always a high voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer breaths in when load remains constant load on it decreases None of these load on it increases load remains constant load on it decreases None of these load on it increases ANSWER DOWNLOAD EXAMIANS APP