Transformers The noise produced by a transformer is termed as ringing buzz zoom hum ringing buzz zoom hum 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? 900 V 90 V 9 V 0.9 V 900 V 90 V 9 V 0.9 V 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 The voltage transformation ratio of a transformer is equal to the ratio of secondary current to primary current secondary terminal voltage to primary applied voltage secondary induced e.m.f. to primary induced e.m.f. primary turns to secondary turns secondary current to primary current secondary terminal voltage to primary applied voltage secondary induced e.m.f. to primary induced e.m.f. primary turns to secondary turns ANSWER DOWNLOAD EXAMIANS APP
Transformers In the short circuit test on a transformer, we generally short circuit ______ High voltage winding Low voltage winding None of the listed here Either low or high voltage winding High voltage winding Low voltage winding None of the listed here Either low or high voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is not a part of transformer installation? Buchholz relay Breather Exciter Conservator Buchholz relay Breather Exciter Conservator ANSWER DOWNLOAD EXAMIANS APP
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