Transformers The eddy current loss in a transformer is directly proportional to _______. The flux density in the core Thickness of core lamination Square of thickness of core lamination The supply frequency The flux density in the core Thickness of core lamination Square of thickness of core lamination The supply frequency ANSWER DOWNLOAD EXAMIANS APP
Transformers A certain transformer has a turns ratio of 1 and a 0.85 coefficient of coupling. When 2 V ac is applied to the primary, the secondary voltage is 0 V 1.7 V 0.85 V 1 V 0 V 1.7 V 0.85 V 1 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Sumpner's test is conducted on transformers to determine temperature None of these stray losses all-day efficiency temperature None of these stray losses all-day efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise produced by a transformer is termed as buzz hum ringing zoom buzz hum ringing zoom ANSWER DOWNLOAD EXAMIANS APP
Transformers The path of the magnetic flux in transformer should have high reluctance low reactance high resistance low resistance high reluctance low reactance high resistance low resistance ANSWER DOWNLOAD EXAMIANS APP
Transformers When secondary of a current transformer is open-circuited its iron core will be hot because of heavy iron losses taking place in it due to high flux density cool as there is no secondary current hot because primary will carry heavy current none of above will happen hot because of heavy iron losses taking place in it due to high flux density cool as there is no secondary current hot because primary will carry heavy current none of above will happen ANSWER DOWNLOAD EXAMIANS APP
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