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Which of the following is both a good electrical insulator and thermal conductor?

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in Engineering Material & Metallurgy by (773k points)
Which of the following is both a good electrical insulator and thermal conductor?

(a) Diamond

(b) Copper

(c) Tin

(d) Asbestos

This question was posed to me during an online exam.

I need to ask this question from Properties of Insulation in division Magnetic & Insulating Materials of Engineering Material & Metallurgy

1 Answer

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Best answer
Right option is (a) Diamond

Best explanation: The heat generated by electrical equipment must be dissipated to prevent damage from overheating. Diamond, alumina, beryllia, and magnesia are generally regarded as materials having good electrical insulation as well as thermal conductivity.

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