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:B
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