Question

11) Tiny bits of dry paper are pulled by the
rubbed comb​

Answer 1

Answer:

Comb gets electrically charged by friction when even through dry hair. It attracts small bits of paper because paper gets polarized in the presence if charged comb resulting in a net force of attraction. When hair is wet, the friction between comb and hair decreases and comb does not get charged.

Answer 2

Answer:

comb gets electrically charged by friction when even through dry hair. it attracts small bits of paper because paper gets polarized in the presence if charged comb resulting in a net force of attraction. when hairbis wet the friction between comb hair decreases and comb does not get charged.