Which of the following insulating materials can withstand the highest temperature safely ?
Correct answer: C. Mica
- A. Cellulose
- B. Asbestos
- C. Mica
- D. Glass fibre
Explanation
Mica has excellent dielectric strength and a very high temperature capability, commonly associated with Class C insulation. Cellulose has a much lower temperature limit, while asbestos and glass fibre are generally rated below mica in this comparison.
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