An electric fan is switched on in a closed insulated room. The air in the room will get :
a. Cooled
b. Heated
c. Maintain its temperature
d. Heated or Cooled depending upon the atmospheric pressure
dhruvparikh:
cooled ans is cooled beause insulator.are bad conductor of heat
cooled
cool
ans is cool
room.is also closed so heat cannot come from atmosphere
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heated or cooled depending upon the atmospheric pressure
ans is cool
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