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Transformers
The effect of leakage flux in a transformer is to ______
Decreases copper losses
Increase copper losses
Cause voltage drop in the windings
None of the listed here
Decreases copper losses
Increase copper losses
Cause voltage drop in the windings
None of the listed here
Answer
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Related Question
Transformers
Natural oil cooling is used for transformers upto a rating of
250 kVA
1000 kVA
3000 kVA
500 kVA
250 kVA
1000 kVA
3000 kVA
500 kVA
Answer
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Transformers
When load on a transformer is increased, the eddy current _____
Remains unchanged
None of the listed here
Is decreased
Is increased
Remains unchanged
None of the listed here
Is decreased
Is increased
Answer
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Transformers
A transformer will work on
None of the listed here
Dc only
AC as well as DC
Ac only
None of the listed here
Dc only
AC as well as DC
Ac only
Answer
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Transformers
The maximum load that a power transformer can carry is limited by its
copper loss
temperature rise
dielectric strength of oil
voltage ratio
copper loss
temperature rise
dielectric strength of oil
voltage ratio
Answer
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Transformers
The voltage transformation ratio of a transformer is equal to the ratio of
secondary induced e.m.f. to primary induced e.m.f.
secondary current to primary current
secondary terminal voltage to primary applied voltage
primary turns to secondary turns
secondary induced e.m.f. to primary induced e.m.f.
secondary current to primary current
secondary terminal voltage to primary applied voltage
primary turns to secondary turns
Answer
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