Transformer MCQs Part 9 A core type transformer provides A core type transformer provides: Shorter magnetic path Longer magnetic path Lesser average length per turn None of these Correct answer: 1. Shorter magnetic path Open-circuit test on transformer is carried out in order to determine Open-circuit test on transformer is carried out in order to … Read more
Transformer MCQs Part 8 Eddy current losses in transformer are directly proportional to: Eddy current losses in transformer are directly proportional to: Supply frequency Thickness of core lamination Square of thickness of core lamination Flex density in the core Correct answer: 3. Square of thickness of core lamination Which of following is correct for a … Read more
Transformer MCQs Part 7 Mutual flux in transformer remains constant at all loads since Mutual flux in transformer remains constant at all loads since: Leakage flux is small It uses iron core Applied voltage and frequency are constant None of these Correct answer: 3. Applied voltage and frequency are constant Certain transformer takes 0.4 A … Read more
Transformer MCQs Part 6 What is the full load secondary current of a 2000/200 V, 20 kVA transformer What is the full load secondary current of a 2000/200 V, 20 kVA transformer: 100 A 200 A 300 A 400 A Correct answer: 1. 100 A Solution: kVA/Secondary Voltage = 20*1000/200 = 100 A Certain transformer … Read more