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Foam material makes good insulation.
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∙ 12y ago
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Is wool conductor of heat?
Wool holds lot of air. As air is a bad conductor of heat, this makes the wool a bad conductor of heat, but a good insulator.
What appliances uses the property of air being a bad conductor of heat?
Double glazed windows contain a layer of air between two glass windows. As air is a poor conductor of heat so the heat loss through windows is minimized. Cavity wall employs polystyrene foam that traps a large amount of air in it. As air is a poor conductor of heat so the heat loss through the walls is minimized.
Air is a poor heat conductor true or false?
False...
Is air a good conductor of electricity?
Air is a relatively-very-poor electrical conductor. If it were any good as a conductor,then you would need to keep your spare batteries in vacuum containers, to preventtheir becoming discharged through the air between their terminals.
Is air a poor conductor of thermal energy?
It depends what you are comparing it to, if for instance you compare it to a vaccuum then it is an infinitely better conductor. Compared to copper however it is very poor, because obviously air is a mixture of various gasses and gasses are mostly empty space; because transferal of heat is through one particle passing on energy to another through vibrations it stands to reason that the less particles you have in a set volume the less efficiently it will transfer heat.
Why air is poor conductor of heat?
air is poor conductor of heat because we can,t feel
Is wool conductor of heat?
Wool holds lot of air. As air is a bad conductor of heat, this makes the wool a bad conductor of heat, but a good insulator.
Which is a better conductor of heat air or a copper wire?
A copper wire is a much better conductor of heat than air is.
Is air a conduction?
Air is a good conductor of sound, and a poor conductor of heat and electric current.
Is Nitrogen a conductor or insulator of heat?
Yes, because it makes up 80% of the air, and air conducts heat.
What appliances uses the property of air being a bad conductor of heat?
Double glazed windows contain a layer of air between two glass windows. As air is a poor conductor of heat so the heat loss through windows is minimized. Cavity wall employs polystyrene foam that traps a large amount of air in it. As air is a poor conductor of heat so the heat loss through the walls is minimized.
Is air a poor heat conductor?
yes air is a ploppy long jobby
Air is a poor heat conductor true or false?
False...
Is air a good conductor of electricity?
Air is a relatively-very-poor electrical conductor. If it were any good as a conductor,then you would need to keep your spare batteries in vacuum containers, to preventtheir becoming discharged through the air between their terminals.
Is air a poor conductor of thermal energy?
It depends what you are comparing it to, if for instance you compare it to a vaccuum then it is an infinitely better conductor. Compared to copper however it is very poor, because obviously air is a mixture of various gasses and gasses are mostly empty space; because transferal of heat is through one particle passing on energy to another through vibrations it stands to reason that the less particles you have in a set volume the less efficiently it will transfer heat.
Why does dry heat require higher temperatures for longer time periods to sterilize than does moist heat?
Water has a higher heat capacity than air. In other words, air is a very poor conductor of heat while water is a very efficient conductor of heat.
What is the best substance that to conduct heat?
Actually diamond is the best conductor of heat, and a diamond film substrate is used as a heat conductor in some microprocessors. Silver and copper are the metals more commonly used as heat conductors because of cost.
