Question

Sometimes, a crackling sound is heard while taking off a sweater during winters. Explain.​

Answer 1

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When we take out sweater, Woolen sweater gets charged due to friction between the sweater and the body. This results in crackling sound.

Answer 2

Answer:

So when we are wearing the sweater the wool is in contact with our body, there is friction as there is rubbing between the body and the wool. due to this we hear the crackling sound while taking off the sweater during winters.