Transformers A transformer transfers electrical energy from primary to secondary usually with a change in ______ Power Time period Voltage Frequency Power Time period Voltage Frequency ANSWER DOWNLOAD EXAMIANS APP
Transformers A no-load test is performed on a transformer to determine magnetising current and loss magnetising current copper loss efficiency core loss magnetising current and loss magnetising current copper loss efficiency core loss ANSWER DOWNLOAD EXAMIANS APP
Transformers The turns ratio required to match an 80 source to a 320 load is 80 2 4 20 80 2 4 20 ANSWER DOWNLOAD EXAMIANS APP
Transformers Efficiency of a power transformer is of the order of 50 per cent 98 per cent 100 per cent 25 per cent 50 per cent 98 per cent 100 per cent 25 per cent ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer will work on Dc only AC as well as DC Ac only None of the listed here Dc only AC as well as DC Ac only None of the listed here 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? 9 V 0.9 V 900 V 90 V 9 V 0.9 V 900 V 90 V ANSWER DOWNLOAD EXAMIANS APP
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