Q

Which of the following is a bad conductor of heat?

RRB Ministerial & Isolated Categories (All PGTs and TGTs); RRB NTPC (Stage-I) 10/09/2025 (Shift-I); 18/04/2016 (Shift-I) 2025; 2016
✓ Answer: A Wood
The source selects wood. This question is ambiguous because water and mica are also poor conductors of heat; diamond is an excellent thermal conductor.
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