Nusselt number/Biot number varies

1.	Nusselt number/Biot number varies
A.	inversely with thermal conductivity.
B.	directly with heat transfer co-efficient.
C.	directly with thermal conductivity.
D.	inversely with the dimension of the solid.
Answer» B. directly with heat transfer co-efficient.

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Nusselt number/Biot number varies

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