Electric charge is a conserved feature of certain subatomic particles that determines their electromagnetic interaction. Electric charge is divided into two types: positive and negative, which are carried by protons and electrons, respectively. When electrons are transported to or withdrawn from an object, an electrical charge is generated. When electrons are introduced to an object, it becomes negatively charged since electrons have a negative charge. When an object's electrons are withdrawn, it will become oppositely charged.

Formula for charge, Q=It