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Question 30862
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Elasticity, Thermal Expansion, Calorimetry and Heat Transfer: Conduction MCQ

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ConductionEasyQuestion 30862

Question

Thermal conductivity k has SI unit:
  1. A
    W·m/K
  2. B
    W/(m·K)
    Correct
  3. C
    J·m/K
  4. D
    W/K

Correct answer

W/(m·K)

Explanation

From Q/t = kA(ΔT/L), k = (Q/t) × L / (AΔT) → W·m/(m²·K) = W/(m·K).

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