Check sibling questions

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

 

Answer

A sweater is made up of wool. 

When we take off a woollen sweater, it rubs against our body or the shirt we are wearing.

This rubbing produces opoosite electric charges

Thus, the discharge of these electric charges produces a crackling sound

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CA Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 12 years and a teacher from the past 16 years. He teaches Science, Accounts and English at Teachoo