Ferromagnetic ceramic material is not used in the__________________?
Correct answer: A. Thermal insulation
- A. Thermal insulation
- B. Transformers
- C. Magnetic switches
- D. Television sets
Explanation
Ferromagnetic ceramics, commonly ferrites, are used in transformer cores, magnetic switches and television components. Thermal insulation requires low heat conduction rather than magnetic response, so it is not their usual application.
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