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Grade: 9
        
Hello ….…
    An electric fan is switched on in a closed room . What happens to the temperature in the room .
 
 Please explain in breif ….
one year ago

Answers : (1)

Umakant biswal
5349 Points
							
@ jeeva 
let me to explain the process over here , 
when u on the fan , we feel cold but the fan doesnot nessasaryly to affect the actual temp of the room , it just help our sweat evaporate by blowing air over our skin , the evaporation has a cooling effect , and also the air flow continiously and remove the hotter air around our body , so, we feel cool . 
this work as long as air is colder than our body external surface . 
HOPE IT CLEARS NOW 
one year ago
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