Transformers Sumpner's test is conducted on transformers to determine all-day efficiency stray losses temperature None of these all-day efficiency stray losses temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers The flux in the core of a single phase transformer is _____ Partly alternating and partly rotating Purely alternating one None of the listed here Purely rotating one Partly alternating and partly rotating Purely alternating one None of the listed here Purely rotating one 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? 90 V 0.9 V 9 V 900 V 90 V 0.9 V 9 V 900 V ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load on a transformer is carried out to determine copper loss magnetising current magnetising current and loss efficiency of the transformer copper loss magnetising current magnetising current and loss efficiency of the transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual flux in a transformer remains constant at all loads because ______ Iron core is used Leakage flux is small Losses are small Applied voltage and frequency are constant Iron core is used Leakage flux is small Losses are small Applied voltage and frequency are constant ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer will work on None of the listed here AC as well as DC Dc only Ac only None of the listed here AC as well as DC Dc only Ac only ANSWER DOWNLOAD EXAMIANS APP
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