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 900 V 90 V 0.9 V 9 V 900 V 90 V 0.9 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The voltage transformation ratio of a transformer is equal to the ratio of primary turns to secondary turns secondary terminal voltage to primary applied voltage secondary induced e.m.f. to primary induced e.m.f. secondary current to primary current primary turns to secondary turns secondary terminal voltage to primary applied voltage secondary induced e.m.f. to primary induced e.m.f. secondary current to primary current ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following 3 phase connections of transformer create disturbances in communication systems Delta/Delta Star/Star Delta/Star Star/Delta Delta/Delta Star/Star Delta/Star Star/Delta ANSWER DOWNLOAD EXAMIANS APP
Transformers Noise level test in a transformer is a routine test None of these special test type test routine test None of these special test type test ANSWER DOWNLOAD EXAMIANS APP
Transformers An ideal transformer is one which has a common core for its primary and secondary windings no losses and magnetic leakage interleaved primary and secondary windings core of stainless steel and winding of pure copper metal a common core for its primary and secondary windings no losses and magnetic leakage interleaved primary and secondary windings core of stainless steel and winding of pure copper metal ANSWER DOWNLOAD EXAMIANS APP
Transformers A shell-type transformer has negligibly hysteresis losses high eddy current losses None of these reduced magnetic leakage negligibly hysteresis losses high eddy current losses None of these reduced magnetic leakage ANSWER DOWNLOAD EXAMIANS APP
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