A negatively charged rod is moved close to a metal sphere. A positive charge appears on the part of the metal sphere nearest the negatively charged rod. Why does this happen?
- AElectrons in the sphere are attracted by the negatively charged rod.
- BElectrons in the sphere are repelled by the negatively charged rod.
- CPositive charges in the sphere are attracted by the negatively charged rod.
- DPositive charges in the sphere are repelled by the negatively charged rod.