Transformers The noise produced by a transformer is termed as zoom buzz hum ringing zoom buzz hum ringing ANSWER DOWNLOAD EXAMIANS APP
Transformers An ideal transformer is one which _______ None of the listed here Does not work Has no losses and leakage reactance Has same number of primary and secondary turns None of the listed here Does not work Has no losses and leakage reactance Has same number of primary and secondary turns ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load primary current is about ______of full load primary current. 3-5% 30-40% 15-30% Above 40% 3-5% 30-40% 15-30% Above 40% ANSWER DOWNLOAD EXAMIANS APP
Transformers How are transformers generally cooled for installations rated at less than 5kVA ? None of the listed here Oil cooled Air cooled Water cooled None of the listed here Oil cooled Air cooled Water cooled ANSWER DOWNLOAD EXAMIANS APP
Transformers A certain transformer has 400 turns in the primary winding and 2,000 turns in the secondary winding. The turns ratio is 0.2 5 0.4 25 0.2 5 0.4 25 ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary coil of a transformer is connected to a 60 V ac source. The secondary coil is connected to a 330 load. The turns ratio is 3:1. What is the secondary voltage? 180 V 20 V 18 V 2 V 180 V 20 V 18 V 2 V ANSWER DOWNLOAD EXAMIANS APP
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