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Transformers
An ideal transformer is one which _______
Has no losses and leakage reactance
Has same number of primary and secondary turns
None of the listed here
Does not work
Has no losses and leakage reactance
Has same number of primary and secondary turns
None of the listed here
Does not work
Answer
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Related Question
Transformers
If a transformer core has air gaps, then, _________
Reluctance of magnetic path is decreased
Hysteresis loss is decreased
Eddy current is increased
Magnetising current is greatly increased
Reluctance of magnetic path is decreased
Hysteresis loss is decreased
Eddy current is increased
Magnetising current is greatly increased
Answer
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Transformers
A transformer will work on
Ac only
None of the listed here
AC as well as DC
Dc only
Ac only
None of the listed here
AC as well as DC
Dc only
Answer
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Transformers
The short circuit test helps us to find
Cu loss at any desire load
None of the listed here
Cu loss at no load
Iron loss at no load
Cu loss at any desire load
None of the listed here
Cu loss at no load
Iron loss at no load
Answer
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Transformers
Which of the following is not a fitting on a transformer?
Buchholz's relay
Conservator
Breather
Commutator
Buchholz's relay
Conservator
Breather
Commutator
Answer
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Transformers
Which of the following acts as a protection against high voltage surges due to lightning and switching?
Thermal overload relays
Conservator
Breather
Horn gaps
Thermal overload relays
Conservator
Breather
Horn gaps
Answer
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