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A lack thereof is best. A vacum does not transfer heat.
It is a material which can transfer heat through conduction.
No. Not unless the person touches the BBQ. More a case of heat radiation.
Insulator.
The theory of the heat transfer experiment is the transfer of thermal energy between molecules, due to a temperature gradient. The conclusion of the experiment is that thermal conductivity is much higher in metals and does not change within thickness.
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A lack thereof is best. A vacum does not transfer heat.
It is a material which can transfer heat through conduction.
Convection heat transfer is the transfer of heat by the movement of a fluid.
Both can be metals. Metal are good conductor of electricity and good conductors of heat transfer due to their ability to give up electrons so easily.
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A good conductor of heat is one that is able to transfer heat. Most metals are good conductors of heat and are often used in heating processes.
No. Not unless the person touches the BBQ. More a case of heat radiation.
Insulator.
Convection - heat transfer through liquids.Conduction - heat transfer through solids.Radiation - heat transfer through vacuum.
elements with low thermal conductivity are called insulators. they cannot transfer heat in an efficient way. they are not good conductors.