MCQ quiz on Transformers multiple choice questions and answers on transformers MCQ questions quiz on transformers objectives questions with answer test pdf.
1. When AC supply is given to the transformer, the flux will depend on
2. In transformer, humming sound occurs due to
3. As compared the transformer with AC machines it is more efficient because
4. The primary and secondary winding of transformer are linked each other by
5. Which parameter does not change during transformation action in transformer?
6. Secondary current of a step down transformer is
7. The core of transformer must have
8. The working principle of transformer depends upon
9. An ideal transformer is one which has
10. In an ideal transformer the magnetizing current lags behind applied primary voltage by an angle
11. In an ideal transformers primary and secondary induced emfs are
12. The input power under no load condition of transformer consists of
13. In a transformer the coils of primary and secondary are placed concentrically to achieve
14. Iron loss in transformer can be determined by
15. No load losses in a transformer can be minimized by using steel of
16. Which of the following losses remain constant during normal operation of transformer?
17. Which of the following losses varies with load in transformer?
18. What will be the eddy current loss if the supply frequency of a transformer becomes double?
19. If the supply frequency of a transformer increases then output voltage of the transformer will
20. In a core type transformer
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