button" href="https://exam.pscnotes.com/mcq/the-changes-in-volume-of-transformer-cooling-oil-due-to-variation-of-atmospheric-tem-perature-during-day-and-night-is-taken-care-of-by-which-part-of-transformer/#more-56975">Detailed SolutionThe changes in volume of transformer cooling oil due to variation of atmospheric tem-perature during day and night is taken care of by which part of transformer
it has" class="read-more button" href="https://exam.pscnotes.com/mcq/the-magnetising-current-of-a-transformer-is-usually-small-because-it-has/#more-56769">Detailed SolutionThe magnetising current of a transformer is usually small because it has
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href="https://exam.pscnotes.com/mcq/power-transformers-are-generally-designed-to-have-maximum-efficiency-around/#more-56598">Detailed SolutionPower transformers are generally designed to have maximum efficiency around
is of the order of" class="read-more button" href="https://exam.pscnotes.com/mcq/efficiency-of-a-power-transformer-is-of-the-order-of/#more-56469">Detailed SolutionEfficiency of a power transformer is of the order of
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core?" class="read-more button" href="https://exam.pscnotes.com/mcq/which-of-the-following-properties-is-not-necessarily-desirable-for-the-material-for-transformer-core/#more-56406">Detailed SolutionWhich of the following properties is not necessarily desirable for the material for transformer core?
button" href="https://exam.pscnotes.com/mcq/noise-level-test-in-a-transformer-is-a/#more-56294">Detailed SolutionNoise level test in a transformer is a
button" href="https://exam.pscnotes.com/mcq/in-a-transformer-routine-efficiency-depends-upon/#more-56170">Detailed SolutionIn a transformer routine efficiency depends upon
hot because of heavy iron losses taking place in it due to high flux density
hot because primary will carry heavy current
cool as there is no secondary current
none of above will happen
Answer is Right!
Answer is Wrong!
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a current transformer is open-circuited its iron core will be" class="read-more button" href="https://exam.pscnotes.com/mcq/when-secondary-of-a-current-transformer-is-open-circuited-its-iron-core-will-be/#more-55927">Detailed SolutionWhen secondary of a current transformer is open-circuited its iron core will be