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.
Discussion Forum Latest Questions
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 ...
The unit of heat is Degree Celsius. Degree Celsius is a unit of temperature, not heat. The other options (Calorie, Kilocalorie, Joule) are units used to measure heat or energy, while Degree Celsius measures temperature.
The SI unit of temperature is the kelvin (K). It is defined based on the triple point of water, where water exists in equilibrium as a solid, liquid, and vapor. The kelvin scale is an absolute temperature scale, with 0 ...