The best conductor of heat among is sea water. Sea water contains dissolved salts and minerals, which increase its thermal conductivity compared to cold water, hot water, and distilled water.
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If a metal is used in making cooking utensils, then the thermal conductivity should be high. High thermal conductivity ensures efficient and even heat distribution, which is essential for effective cooking.
If the doors of a refrigerator kept in a room are left open, the room will gradually get heated. The refrigerator’s motor generates heat while trying to cool the room, resulting in more heat being expelled than removed.
If a table fan is run in a closed room, the air in the room will be heated. This is because the fan’s motor generates heat while operating, slightly increasing the room’s temperature despite creating a cooling sensation through air ...
On cold days, the iron block feels colder than the wooden block because iron has higher thermal conductivity than wood. Thermal conductivity refers to a material’s ability to conduct heat. Iron quickly conducts heat away from the skin, giving a ...