Question

In a classroom experiment, a student rubs a comb against her hair. The comb is then brought near bits of paper resting on a surface. Which of these can be concluded if the comb picks up the bits of paper?
A)
The comb is an insulator, but paper conducts electricity.
B)
The comb had a net charge on it, and it attracted a neutral object.
C)
The comb was left uncharged, and it attracted a positively charged object.
D)
The comb was positively charged, and it attracted a negatively charged object.

Answer 1

D?

Answer 2

yes

Answer 3

I will open all of these in a new question that way I can give you more medals.