how is fan work ? step
Answers
Answered by
2
➗➖6️⃣7️⃣1️⃣0️⃣2️⃣8️⃣9️⃣3️⃣4️⃣5️⃣4️⃣
Answered by
1
Answer:
While fans are often used to cool people, they do not cool air (electric fans may warm it slightly due to the warming of their motors), but work by evaporative cooling of sweat and increased heat convection into the surrounding air, due to the airflow from the fans.
Similar questions