Transformers A certain transformer has 400 turns in the primary winding and 2,000 turns in the secondary winding. The turns ratio is 25 0.2 0.4 5 25 0.2 0.4 5 ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the coefficient of coupling for a transformer in which 4% of the total flux generated in the primary does not pass through the secondary? 9.6 0.4 0.96 4 9.6 0.4 0.96 4 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 V 0.85 V 1.7 V 0 V 1 V 0.85 V 1.7 V ANSWER DOWNLOAD EXAMIANS APP
Transformers How are transformers generally cooled for installations rated at less than 5kVA ? Air cooled Water cooled None of the listed here Oil cooled Air cooled Water cooled None of the listed here Oil cooled ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer the energy is conveyed from primary to secondary through cooling coil through air None of these by the flux through cooling coil through air None of these by the flux ANSWER DOWNLOAD EXAMIANS APP
Transformers When load on a transformer is increased, the eddy current _____ Is increased Remains unchanged Is decreased None of the listed here Is increased Remains unchanged Is decreased None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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