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Question
The SI unit of the coefficient of thermal conductivity k is often written as J/(smK). Which equivalent unit expression is also correct for k?
Options
J/(m²s)
JK/s
WmK
W/(mK)
MCQ
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Solution
W/(mK)
Explanation:
Since W=J/s, the unit J/(s·m·K) is equivalent to W/(m·K).
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