Transformers When a 6 V battery is connected across the primary of a transformer with a turns ratio of 8, the secondary voltage is 6 V 48 V 0 V 0.75 V 6 V 48 V 0 V 0.75 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The power transformer is a constant Main flux device Power device Voltage device Current device Main flux device Power device Voltage device Current device ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load on a transformer is carried out to determine magnetising current and loss copper loss magnetising current efficiency of the transformer magnetising current and loss copper loss magnetising current efficiency of the transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers How many primary volts must be applied to a transformer with a turns ratio of 0.1 to obtain a secondary voltage of 9 V? 0.9 V 9 V 900 V 90 V 0.9 V 9 V 900 V 90 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The open circuit test on a transformer gives _______ Friction losses Copper losses Iron losses Total losses Friction losses Copper losses Iron losses Total losses ANSWER DOWNLOAD EXAMIANS APP
Transformers In which of the following transformer part of primary winding also serves as the secondary winding? Auto transformer Potential transformer Step-up transformer Current transformer Auto transformer Potential transformer Step-up transformer Current transformer ANSWER DOWNLOAD EXAMIANS APP