The Rate of Heat Flow Through a Slab Is P_cond

question 69

Multiple Choice

The rate of heat flow through a slab is P_cond.If the slab thickness is doubled, its cross-sectional area is halved, and the temperature difference across it is doubled, then the rate of heat flow becomes:

• A)2P_cond
• B)P_cond/2
• C)P_cond
• D)P_cond/8
• E)8P_cond

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