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.
Eliminate

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

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.   
Eliminate

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

anonymous · Answer

Hi Welcome to Openstudy :)

I'm afraid you are in the Mathematics section, I would suggest that you should post your question in the $\sf \href{http:///openstudy.com/study#/groups/Physics}{Physics}$ section of this site, so that you can get more help with the topic you are asking. After you have posted your question in the right section, please kindly close this post. If you have further questions, don't hesitate to ask me. Thank you ^_^

directrix · Answer

@LeahLaLaShow http://tinyurl.com/j7sto6k

anonymous · Answer

did you still need help ?