- A basic property of subatomic particles, atoms, molecules, and the antimatter counterparts of each of these. A charge may be negative, positive, or there may be no charge. The net charge of a body is the sum of the charges of all its constituents. For instance, a cation has a net deficiency of electrons, so its charge is positive. Each electric charge, whether positive or negative, is equal to 1.6022 × 10-19 coulomb, the charge of an electron, or a whole number multiple of it. Also called electric charge (1), or electrostatic charge (1). Its symbol is Q.
- The electrical energy stored in an insulated body such as a storage battery or capacitor. Usually expressed in coulombs. Also called electric charge (2), or electrostatic charge (2).
- The directing of electrical energy into an insulated body which can store this energy, such as a storage battery or capacitor.
- The conversion of electrical energy into chemical energy within a battery or cell.
- symbol Q
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