1.

The unit rate of heat transfer (Q) is ____________

A. J/s
B. J m<sup>2</sup> s<sup>-1</sup> K<sup>-1</sup>
C. m<sup>2</sup>
D. J
Answer» B. J m<sup>2</sup> s<sup>-1</sup> K<sup>-1</sup>


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