EEE :: Transformers
- The purpose of providing an iron core in a transformer is to
- A good voltage regulation of a transformer means
- If the percentage impedances of the two transformers working in parallel are different, then
- An ideal transformer will have maximum efficiency at a load such that
- A Buchholz relay can be installed on
- The full-load copper loss of a transformer is 1600 W. At half-load, the copper loss will be
- The size of a transformer core will depend on
- A transformer cannot raise or lower the voltage of a D.C. supply because
- Which of the following loss in a transformer is zero even at full load ?
- Part of the transformer which is most subject to damage from overheating is
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