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- Subject
- Transformerselectrical-engineering-mcqs › transformers
- Published
- 28 Jun 2018
- Last updated
- 28 May 2026
Explanation
Eddy current loss depends on the applied voltage and the material properties, but for a constant applied voltage, increasing frequency does not alter the eddy current loss. Therefore, the loss remains unchanged.
More Transformers MCQs
Practice related questions from the same subject.
- 1.Identify the incorrect statement about an ideal single-phase transformer with a turns ratio of 1:2, which draws 10 A from a 200 V AC source.
- 2.In a transformer operating at a fixed voltage, which losses stay constant regardless of variations in load?
- 3.Which type of losses are present in rotating electrical machines but are absent in transformers?
- 4.Why are approximately 10% of the end turns in a power or distribution transformer heavily insulated?
- 5.Which type of transformer core construction results in reduced core losses and enhanced permeability?
- 6.What is the common term for the sound generated by a transformer?
- 7.Which component of a transformer can be seen externally?
- 8.Among the following insulating materials, which one can endure the highest temperature without damage?
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