Transformers Losses which occur in rotating electric machines and do not occur in trans formers are hysteresis and eddy current losses magnetic losses friction and windage losses copper losses hysteresis and eddy current losses magnetic losses friction and windage losses copper losses 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 1.7 V 0.85 V 0 V 1 V 1.7 V 0.85 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Material used for construction of transformer core is usually Aluminium Copper Silicon steel Wood Aluminium Copper Silicon steel Wood ANSWER DOWNLOAD EXAMIANS APP
Transformers The core type transformer is generally suitable for ______ Low voltage and high output High voltage and small output High voltage and high output None of the listed here Low voltage and high output High voltage and small output High voltage and high output None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a transformer has 110 V ac across it. What is the secondary voltage if the turns ratio is 8? 880 V 8.8 V 8,800 V 88 V 880 V 8.8 V 8,800 V 88 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiencies of transformers compared with that of electric motors of the same power are much higher about the same much smaller somewhat smaller much higher about the same much smaller somewhat smaller ANSWER DOWNLOAD EXAMIANS APP
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