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

cbse
natural-phenomena
cbse-class-8-science

#1

Sometimes, a crackling sound is heard while taking off a sweater during winters. Explain.
Answer:
When a sweater is taken off, the woollen sweater gets charged because of the friction between the sweater and the body. Hence, one can hear a crackling sound during the given process.