A student rubs an eraser and a wool together and the eraser becomes negatively charged. Which of the following statements best describes why the eraser becomes negatively charged?
A. The eraser gained electrons during the rubbing process.
B. The electrons are transferred from the wool to the eraser.
C. One of the objects gained electrons while the other one lost it.
D. It became negatively charged because of the rubbing process
Answers & Comments
Answer:
B. The electrons are transferred from the wool to the eraser.