Question

When a plastic comb is rubbed with dry hair, the hair get positively charged by friction. In this porcess: 

A. the hair loses some positive protons 

B. the hair gain some positive protons 

C. the hair loses some negative electrons 

D. the hair gain some negative electrons

Answer 1

B. the hair gain some positive protons 

The combing of hair make the comb negatively charged. It is able to attract tiny pieces of paper which are neutral.