Consider the following statements and choose the correct ones using the codes given below : A. Graphite is good conductor of heat & electricity. B. Graphite is good conductor of heat but an electrical insulator. C. Diamond is good conductor of heat but an electrical insulator. D. Diamond is bad conductor of heat & electricity. Codes :

Asked in ACF And Forest Range Officer Gr I Comp. Exam 2018 · Topic: Conductivity (Band Theory of Solids: Conductors, Semiconductors, and Insulators)

1. A and D
2. A and C
3. B and C
4. B and D

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