If a negatively charged glass rod came into direct contact with a neutral object, such as a metal sphere,

Question

what would happen?
answers:
Electrons would move from the metal sphere to the glass rod.

No change would occur due to the law of conservation of charge.

Photons would move from the neutral object to the glass rod.

Answer 1

When a negatively charged glass rod comes into direct contact with a neutral object like a metal sphere, electrons from the glass rod will move to the neutral metal sphere. This occurs because like charges repel and opposite charges attract.

Since the glass rod is negatively charged, it has an excess of electrons. When it touches the neutral sphere, which has an equal number of protons and electrons, some of the excess electrons from the glass rod will transfer to the metal sphere, causing the sphere to become negatively charged and leaving the glass rod with a reduced negative charge.

Thus, the correct answer is:

Electrons would move from the metal sphere to the glass rod.