1. Consider a hot baked potato in a plate. The temperature of the potato is observed to drop by 4°C during the first minute. Will the temperature drop during the second minute be less than, equal to,...

1. Consider a hot baked potato in a plate. The temperature of the potato is observed to drop by 4°C during the first minute. Will the temperature drop during the second minute be less than, equal to, or more than 4°C? Why?

2. What is the physical significance of Biot number? Is the Biot number more likely to be large for highly conducting solids or poorly conducting ones?