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- Subject
- Magnetism and Electromagnetismelectrical-engineering-mcqs › magnetism-and-electromagnetism
- Published
- 16 Dec 2018
- Last updated
- 28 May 2026
Explanation
Permanent magnets are commonly used in magnetoes, energy meters, and loudspeakers to create magnetic fields. However, transformers operate based on electromagnetic induction and do not require permanent magnets.
More Magnetism and Electromagnetism MCQs
Practice related questions from the same subject.
- 1.In which direction do magnetic field lines typically flow?
- 2.What defines a permeable material?
- 3.Around which of the following does a magnetic field form?
- 4.Which type of magnets are best made from materials with low magnetic retentivity?
- 5.The Tesla is a unit used to measure which of the following quantities?
- 6.What type of magnetic property do ferrite materials exhibit?
- 7.Two conductors in a transmission line carry identical currents I flowing in opposite directions. The force experienced by each conductor is __________?
- 8.How does the reluctance of an air gap compare to that of an iron or steel magnetic path?
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