Transformers Objective Questions with Answers:
 Harmonics in transformer result in
 The full load copper loss of a transformer is 1600W. At half-load the copper loss will be
 Power transformers are generally designed to have maximum efficiency around
 Two transformers are connected in parallel. These transformers do not have equal percentage impedance which results
 The changes in volume of transformer cooling oil due to variation of atmospeheric temperature during day and night is taken care of by which part of transformer?
 The transformer laminations are insulated from each other by
 Which type of winding is used in 3 phase shell type transformer?
 During open circuit test of a transformer
 Which of the following is not standard voltage for power supply in India
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