After running a plastic comb through you hair several times you hold it above a small scrap of paper. The paper jumps off the table and sticks to the comb because the paper becomes
A) magnetic.
B) electrically charged.
C) conducting.
D) electrically polarized.

Question

Quizplus · Accepted Answer

The comb becomes electrically charged through friction with the hair, and when it is brought near the paper, it induces a separation of charges within the paper, causing it to become electrically polarized. This polarization results in an attractive force between the comb and the paper.

After Running a Plastic Comb Through You Hair Several Times