Thermal conductivity of aluminium, copper and stainless steel increases in the order ___________.

Copper < Aluminium < Stainless Steel

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Stainless Steel < Aluminium < Copper

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Aluminium < Copper < Stainless Steel

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Copper < Stainless Steel < Aluminium

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Solution

The correct option is B Stainless Steel < Aluminium < Copper
Thermal conductivity of copper, aluminium and stainless steel are 385, 205 and 50.2(in W/mK) respectively. Among the three, copper is the best conductor of heat.

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Similar questions

Stainless steel pans are usually provided with copper bottoms. The reason for this could be that

(a) copper bottom makes the pan more durable.

(b) such pans appear colourful.

(d) copper is easier to clean than the stainless steel.

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