A large surface area results in a high rate of cooling. This is why we tend to curl up when we sleep in a cold room and spread our limbs out when we sleep in a very hot room.Which of the following is an example where this principle is used in technology?

Fans that cool computers are often ribbed to increase the surface area for cooling.


Choices (1) and (5) are not relevant. Choices (3) and (4) are false.

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