Resistance to heat flow by conduction is proportional to (where, t & � – McqOptions

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1.	Resistance to heat flow by conduction is proportional to (where, t & ρ are thickness & density of the material respectively and A = area normal to the direction of heat flow.) ?
A.	t
B.	1/ρ
C.	1/A
D.	All A., B. & C.
Answer» E.

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