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Seema Kumari
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Posted 3 year ago
Seema Kumari 
There is a sound of chit-chit while taking off the sweater in winter. Why?
1 Answer(s)
Shweta Jain
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Posted 3 year ago Shweta Jain

When we wear the sweater, the wool comes into contact with our bodies, causing friction as the body rubs against the wool. As a result of the rubbing, the wool becomes charged, and a force is felt between the wool and our bodies. During the winter, we hear a crackling sound as we remove our sweaters due to this force.