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Transformers
The leakage flux in a transformer depends upon
load current, voltage and frequency
load current
load current, voltage, frequency and power factor
load current and voltage
load current, voltage and frequency
load current
load current, voltage, frequency and power factor
load current and voltage
Answer
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Related Question
Transformers
In an auto transformer, the primary and secondary are _____ coupled.
None of the listed here
Magnetically as well as electrically
Only magnetically
Only electrically
None of the listed here
Magnetically as well as electrically
Only magnetically
Only electrically
Answer
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Transformers
Efficiency of a power transformer is of the order of
50 per cent
98 per cent
25 per cent
100 per cent
50 per cent
98 per cent
25 per cent
100 per cent
Answer
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Transformers
The maximum load that a power transformer can carry is limited by its
temperature rise
dielectric strength of oil
voltage ratio
copper loss
temperature rise
dielectric strength of oil
voltage ratio
copper loss
Answer
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Transformers
The all day efficiency of a transformer is also called its
Power efficiency
None of the listed here
Energy efficiency
Current efficiency
Power efficiency
None of the listed here
Energy efficiency
Current efficiency
Answer
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Transformers
A transformer is an efficient device because
A static device
Uses inductive coupling
Uses electric coupling
Uses capacitive coupling
A static device
Uses inductive coupling
Uses electric coupling
Uses capacitive coupling
Answer
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