Question

explain why sometimes when we take off the woolen sweater or a polyester shirt in a dark room we can see tiny Sparks of light and hear a crackling sound

Answer 1

This happens due to static electricity created when wool is rubbed against our body.

Answer 2

When we take out the woolen cloth it gets charged and due to electric discharge the charge flows between the body and cloth .Because of the rubbing we hear the crackling sound.

HOPE IT HELPS DEAE!!!