Question

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

Answer 1

Due to extreme cold there maybe icicles accumulated in the pores of the sweater and when the sweater is removed they break and we hear cracking sound.

But this happens in EXTREME cold places

Answer 2

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Sometimes a crackling sound is heard while taking off sweater during winters because the woollen sweater gets charged because of the friction between the sweater and the body. 

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