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Q: Which of the following a bad conductor of heat?
  • A. Wood
  • B. Diamond
  • C. Water
  • D. Mica
Correct Answer: Option A - Wood is a bad conductor of heat. Insulators are those materials that resist relatively electric current and the flow of heat, or through which very little current or heat flow in the same conditions. Wood, Bakelite, Ceramic, Paper, PVC etc. are some examples of non-conductor.
A. Wood is a bad conductor of heat. Insulators are those materials that resist relatively electric current and the flow of heat, or through which very little current or heat flow in the same conditions. Wood, Bakelite, Ceramic, Paper, PVC etc. are some examples of non-conductor.

Explanations:

Wood is a bad conductor of heat. Insulators are those materials that resist relatively electric current and the flow of heat, or through which very little current or heat flow in the same conditions. Wood, Bakelite, Ceramic, Paper, PVC etc. are some examples of non-conductor.