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MEO Class II – MET : 2019/OCT/05
Question
Q5. With reference to transformer answer following:
(a) Explain the construction of a lighting transformer used onboard.
(b) What is all day efficiency of a transformer?
(c) How are iron losses in the transformer made very negligible?
(d) In a short-circuit test performed on a transformer iron losses are negligible, why?
Asked in Year/Month/Ques No.