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Transformers
The maximum flux produced in the core of a transformer is ______
None of the listed here
Directly proportional to supply frequency
Inversely proportional to primary voltage
Inversely proportional to supply frequency
None of the listed here
Directly proportional to supply frequency
Inversely proportional to primary voltage
Inversely proportional to supply frequency
Answer
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Related Question
Transformers
Burden of a current transformer is usually expressed in
Volt amperes
Kilowatt
Volts
Amperes
Volt amperes
Kilowatt
Volts
Amperes
Answer
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Transformers
The permissible flux density in case of cold rolled grain oriented steel is around
3.7 Wb/m²
4.7 Wb/m²
2.7 Wb/m²
1.7 Wb/m²
3.7 Wb/m²
4.7 Wb/m²
2.7 Wb/m²
1.7 Wb/m²
Answer
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Transformers
A Buchholz relay can be installed on
Welding transformer
Air-cooled transformer
Oil cooled transformer
Auto transformer
Welding transformer
Air-cooled transformer
Oil cooled transformer
Auto transformer
Answer
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Transformers
The core type transformer provides _______
Lesser average length per turn
Much longer magnetic path
None of the listed here
Shorter magnetic path
Lesser average length per turn
Much longer magnetic path
None of the listed here
Shorter magnetic path
Answer
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Transformers
The voltage transformation ratio of a transformer is equal to the ratio of
primary turns to secondary turns
secondary terminal voltage to primary applied voltage
secondary current to primary current
secondary induced e.m.f. to primary induced e.m.f.
primary turns to secondary turns
secondary terminal voltage to primary applied voltage
secondary current to primary current
secondary induced e.m.f. to primary induced e.m.f.
Answer
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