Multiple choice general knowledge science & technology

The unit of Thermal conductivity k is _________

  1. W/ m^2 K

  2. W/ K

  3. W/mK

  4. No unit
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Thermal conductivity (k) measures a material's ability to conduct heat. Its SI unit is W/mK (Watts per meter-Kelvin), which represents heat transfer rate per unit length per unit temperature difference.

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