Transformers The principle of working of transformer is Static induction Self induction Mutual induction Dynamic induction Static induction Self induction Mutual induction Dynamic induction 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 2 V 18 V 20 V 180 V 2 V 18 V 20 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiency of a transformer, under heavy loads, is comparatively low because voltage drop both in primary and secondary becomes large copper loss becomes high in proportion to the output secondary output is much less as compared to primary input iron loss is increased considerably voltage drop both in primary and secondary becomes large copper loss becomes high in proportion to the output secondary output is much less as compared to primary input iron loss is increased considerably ANSWER DOWNLOAD EXAMIANS APP
Transformers A Buchholz relay can be installed on Oil cooled transformer Air-cooled transformer Welding transformer Auto transformer Oil cooled transformer Air-cooled transformer Welding transformer Auto transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer will work on Ac only Dc only None of the listed here AC as well as DC Ac only Dc only None of the listed here AC as well as DC ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual flux in a transformer remains constant at all loads because ______ Iron core is used Applied voltage and frequency are constant Losses are small Leakage flux is small Iron core is used Applied voltage and frequency are constant Losses are small Leakage flux is small ANSWER DOWNLOAD EXAMIANS APP
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