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. But after some time the object flies off the comb. It leaves the comb because the paper becomes
A) magnetic.
B) electrically charged.
C) conducting.
D) electrically polarized.

Question

Quizplus · Accepted Answer

The paper becomes electrically charged due to the transfer of electrons from the comb, which was charged by friction with the hair. Over time, the charges on the paper and the comb repel, causing the paper to fly off.

After Running a Plastic Comb Through You Hair Several Times