A student pulls a plastic comb through her hair on a dry day.  Afterward, her hair is attracted to the comb.  Which of the following occurs when the comb passes through the hair?A.Total charge is conserved, and no charges are transferred between the hair and the comb.B.The comb gains electrons and the hair becomes positively charged.C.The comb gains electrons and the hair becomes negatively charged.D.Both the comb and hair become positively charged.

Select all the correct answers.When people use plastic combs on their hair, the combs become negatively charged. Which statements about this situation are true? The comb loses electrons. The comb gains electrons. The hair loses electrons. The hair gains protons. The hair loses protons.

A silk cloth gains electrons when rubbed over a glass rod. A different glass rod gains electrons when rubbed with rabbit fur. What will happen if the two charged glass rods approach one another and why? A. The rods will repel each other because they have unlike charges. B. There will be no reaction between the rods. C. The rods will attract each other because they are both positively charged. D. The rods will attract each other because they have unlike charges. E. The rods will repel each other because they have like charges.

B. to compare the electric fields produced by the negatively charged comb and the positively charged hair C. to investigate the strength of the comb’s electri

A plastic rod is rubbed with a piece of animal fur. The plastic rod acquires a negative charge during this process. Which of the following is true about the charge on the piece of fur?

When you rub a plastic rod against your hair several times and put it near some bits of paper, the pieces of paper are attracted to it. What does this observation indicate?Group of answer choicesThe plastic rod acquired a charge.The plastic rod and the paper have the same charges.The plastic rod and the paper are oppositely charged.All of these