Transformers The efficiency of a transformer, under heavy loads, is comparatively low because secondary output is much less as compared to primary input copper loss becomes high in proportion to the output voltage drop both in primary and secondary becomes large iron loss is increased considerably secondary output is much less as compared to primary input copper loss becomes high in proportion to the output voltage drop both in primary and secondary becomes large iron loss is increased considerably ANSWER DOWNLOAD EXAMIANS APP
Transformers An isolation transformer has primary to secondady turns ratio of 2:1 1:2 Can be any ratio 1:1 2:1 1:2 Can be any ratio 1:1 ANSWER DOWNLOAD EXAMIANS APP
Transformers Burden of a current transformer is usually expressed in Volt amperes Kilowatt Amperes Volts Volt amperes Kilowatt Amperes Volts ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum load that a power transformer can carry is limited by its voltage ratio dielectric strength of oil copper loss temperature rise voltage ratio dielectric strength of oil copper loss temperature rise ANSWER DOWNLOAD EXAMIANS APP
Transformers A Buchholz relay can be installed on Air-cooled transformer Oil cooled transformer Auto transformer Welding transformer Air-cooled transformer Oil cooled transformer Auto transformer Welding transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers The power transformer is a constant Main flux device Voltage device Current device Power device Main flux device Voltage device Current device Power device ANSWER DOWNLOAD EXAMIANS APP
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