Question

The unit of thermal conductance is

• A. $W{{K}^{-1}}$
• B. $J{{K}^{-1}}$
• C. WK
• D. JK

Answer 1

Answer: (A)

Thermal conductance $=\frac{\Delta Q}{t\,\Delta \theta \,}$ $=\frac{J}{sK}$ $=\frac{J}{s}{{K}^{-1}}$ $=W{{K}^{-1}}$