Multiple choice general knowledge math & puzzles

WHICH AMONG THE FOLLOWING IS GOOD CONDUCTOR OF HEAT BUT POOR CONDUCTOR OF ELECTRICITY?

  1. GRAPHITE

  2. MICA

  3. COPPER

  4. MERCURY
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Mica is a unique mineral that possesses high thermal conductivity (good conductor of heat) but very high dielectric strength, making it an excellent electrical insulator (poor conductor of electricity).

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