Physics: Principles with Applications
6th Edition
ISBN: 9780130606204
Author: Douglas C. Giancoli
Publisher: Prentice Hall
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Question
Chapter 14, Problem 18Q
To determine
Why the heat sinks have a shape like a series of fins glued on top of microprocessor chips.
Expert Solution & Answer
Explanation of Solution
Introduction:
The rate of cooling depends on the surface area.
Heat sinks shaped like series of fins actually have a large surface area. This results in rapid transfer of thermal energy to the surroundings causing cooling. The air flows between the fins and hence, the dissipation of heat increases.
Chapter 14 Solutions
Physics: Principles with Applications
Ch. 14 - Prob. 1QCh. 14 - Prob. 2QCh. 14 - (a) If two objects of different temperatures are...Ch. 14 - In warm regions where tropical plants grow but the...Ch. 14 - Prob. 5QCh. 14 - Prob. 6QCh. 14 - Prob. 7QCh. 14 - Prob. 8QCh. 14 - Prob. 9QCh. 14 - Prob. 10Q
Ch. 14 - Prob. 11QCh. 14 - 11. Explorers on failed Arctic expeditions have...Ch. 14 - Prob. 13QCh. 14 - Prob. 14QCh. 14 - Prob. 15QCh. 14 - Prob. 16QCh. 14 - Prob. 17QCh. 14 - Prob. 18QCh. 14 - Prob. 19QCh. 14 - Prob. 20QCh. 14 - Prob. 21QCh. 14 - Prob. 22QCh. 14 - A premature baby in an incubator can be...Ch. 14 - Prob. 24QCh. 14 - Prob. 25QCh. 14 - Prob. 26QCh. 14 - 26. The Earth cools off at night much more quickly...Ch. 14 - Prob. 28QCh. 14 - Prob. 29QCh. 14 - Prob. 30QCh. 14 - To what temperature will 8200 J of heat raise 3.0...Ch. 14 - How much heat (in joules) is required to raise the...Ch. 14 - Prob. 3PCh. 14 - An average active person consumes about 2500 Cal a...Ch. 14 - A British thermal unit (Btu) is a unit of heat in...Ch. 14 - How many joules and kilocalories are generated...Ch. 14 - A water heater can generate 32,000 kJ/h. How much...Ch. 14 - Prob. 8PCh. 14 - An automobile cooling system holds 18 L of water....Ch. 14 - What is the specific heat of a metal substance if...Ch. 14 - (a) How much energy is required to bring a 1.0-L...Ch. 14 - Prob. 12PCh. 14 - 14. (II) What will be the equilibrium temperature...Ch. 14 - A 31.5-g glass thermometer reads 23.6°C before it...Ch. 14 - A 0.40-kg iron horseshoe, just forged and very hot...Ch. 14 - Prob. 16PCh. 14 - The heat capacity, C, ofan object is defined as...Ch. 14 - Prob. 18PCh. 14 - Prob. 19PCh. 14 - Prob. 20PCh. 14 - Estimate the Calorie content of 65 g of candy from...Ch. 14 - Prob. 22PCh. 14 - If 3.40 x 105 J of energy is supplied to a...Ch. 14 - How much heat is needed to melt 23.50 kg of silver...Ch. 14 - Prob. 25PCh. 14 - What mass of steam at 100°C must be added to 1.00...Ch. 14 - Prob. 27PCh. 14 - Prob. 28PCh. 14 - Prob. 29PCh. 14 - Prob. 30PCh. 14 - Prob. 31PCh. 14 - Prob. 32PCh. 14 - A cube of ice is taken from the freezer at -8.5°C...Ch. 14 - Prob. 34PCh. 14 - Prob. 35PCh. 14 - Prob. 36PCh. 14 - Prob. 37PCh. 14 - 39. How long does it take the Sun to melt a block...Ch. 14 - Prob. 39PCh. 14 - Two rooms, each a cube 4.0 m per side, share a...Ch. 14 - Prob. 41PCh. 14 - Approximately how long should it take 8.2 kg of...Ch. 14 - Prob. 43PCh. 14 - Suppose the insulating qualities of the wall of a...Ch. 14 - Prob. 45GPCh. 14 - Prob. 46GPCh. 14 - Prob. 47GPCh. 14 - Prob. 48GPCh. 14 - Prob. 49GPCh. 14 - Prob. 50GPCh. 14 - Prob. 51GPCh. 14 - Prob. 52GPCh. 14 - Prob. 53GPCh. 14 - Prob. 54GPCh. 14 - Prob. 55GPCh. 14 - Prob. 56GPCh. 14 - Prob. 57GPCh. 14 - Prob. 58GPCh. 14 - Prob. 59GPCh. 14 - Prob. 60GPCh. 14 - Prob. 61GPCh. 14 - Prob. 62GPCh. 14 - Prob. 63GPCh. 14 - Prob. 64GPCh. 14 - Prob. 65GPCh. 14 - Prob. 66GP
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