Question

When a plastic comb rubbed on hair is brought near bits of paper, it attracts them because:

• A. The comb and the paper get similarly charged.
• B. They get oppositely charged.
• C. The paper bits are very light.
• D. None of these

Answer 1

The correct option is B They get oppositely charged.

A comb rubbed on hair gets electrically charged. It attracts small bits of paper because opposite charges attract. So, comb and bits of paper are oppositely charged.